words to describe butterflies in your stomachwords to describe butterflies in your stomach

Iphone 13 Not Connecting To Network Extender, True North Health Center Cost, Extreme Fatigue After Cortisone Injection, Fine For Entering South Africa On Foreign Passport, Longwood Women's Basketball Coaching Staff, Articles W

Instead, try to make your compliment unique. uneasy . The expression can also be used with "get" as in "get butterflies." For example: As long as context is clear, readers will understand and respond to the made-up words. For more posts about words, idioms, grammar, and usage, like us onFacebookand follow us onTwitter! have butterflies (in your stomach) idiom. Before his big speech he had butterflies in his stomach. What is the meaning of butterflies in your stomach. Emotion Beats and Physical Manifestations. A few descriptors based on the animal kingdom: A to W They also appear in historical fiction where scantily clad gladiators compete for their lives. You can then send these messages to your partner daily during the week. WebFull list of synonyms for Butterflies in stomach is here. Did you know that butterflies in the stomach are often a symptom of social anxiety disorder? Laughing. Generally though and perhaps more often, when we use the phrase we connect it to love.So, the first time you hold hands with the person youve admired for a while or the first kiss, you feel like you have butterflies in your stomach. Butterflies in the stomach are BFFs with the bodys fight-or-flight response, which has origins in how humans evolved. Before humans had to be ready for the finale of their favorite show or But, what exactly does it mean?In short, the phrase to have butterflies in your stomach is to describe a feeling of anxiety or worry. An ordinary date can cause that butterfly feeling if you listen to your partner and share your true feelings with her. To "have butterflies" or "have butterflies in your stomach" means you have a nervous feeling in your stomach. In this example, two friends are talking about an upcoming proposal that one of them is going to make. Definition: A strange sensation in ones stomach. Dopamine is released whenever you do something that is enjoyable. Of American-English origin, the phrase butterflies in ones stomach denotes an uneasy sensation felt, especially in the stomach, as a result of nervousness or apprehension. Home Phrase and Idiom Dictionary What Does Butterflies in My Stomach Mean? WebDefinition of HAVE / GET / FEEL BUTTERFLIES (IN YOUR STOMACH) (phrase): feel very nervous or excited about something HAVE / GET / FEEL BUTTERFLIES (IN YOUR This is as a result of the release of adrenaline in the fight-or-flight response, which causes increased heart rate and blood pressure, consequently sending more blood to the muscles.. Butterflies in the stomach Next post (tomorrow) will be about facial expressions. Transform wooden protagonists into believable personalities that readers will learn to love. So, youve met that special someone and want to impress them with incredibly romantic texts. Are you about to undertake a task thats making you feel nervous? You can feel nervous about anything so not just from crushes. WebSynonyms for 'have/get/feel butterflies (in your stomach)': worry, panic, dread, fret, agonize, fear, have a lot on your mind, fear the worst (for) Dictionary Collocations At other times or in colder regions, a contrast between these body parts may boost narrative. It may take a while to find that perfect word your girlfriend appreciates. Are you ready to do it? Webbutterflies in your stomach. Your partners heart will start beating faster once she recognizes those quotes. Including nicknames in your texts makes them more attractive and personal. 'pa pdd chac-sb tc-bd bw hbr-20 hbss lpt-25' : 'hdn'">, Test your vocabulary with our fun image quizzes, Clear explanations of natural written and spoken English. troubled . We occasionally link to products in our posts to help the reader find relevant items they may be looking for. It does not have to be something extraordinary. Webhave butterflies (in your stomach) idiom informal to feel very nervous, usually about something you are going to do: I had terrible butterflies before I gave that talk in Venice. Typically, the alternative phrase, butterflies in my tummy, is the more common of the two versions. ", https://en.wikipedia.org/w/index.php?title=Butterflies_in_the_stomach&oldid=1138188757, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 8 February 2023, at 13:35. 15. 0 && stateHdr.searchDesk ? XD I get antsy when I have the Web7. Wide eyes. 7 Ways to Revamp Your Wardrobe on a Budget in 2023. You can then discuss the possible tattoo options and where to make them. Kevin: Yeah, I have butterflies in my stomach. This approach is a massive magnet for those butterflies you need. Some people stay up late, while others go to bed at 10 pm. Once your body thinks you are out of your fight or flight mode, it will begin to relax, and the heart rate and blood flow will return to normal. (https://www.youtube.com/watch?v=SMgH5i-UR_s). An example of data being processed may be a unique identifier stored in a cookie. Join Macmillan Dictionary on Twitter and Facebook for daily word facts, quizzes and language news. Many people overdo stomach and similar nouns in their writing. A persons midsection might be shaped liked a/an: B to W Write CSS OR LESS and hit save. Phrases Similar to Butterflies in My Stomach My heart skipped a beat. The expression can also be used with "get" as in "get tied up in knots . Webbutterflies in your stomach meaning: a feeling of being very nervous or frightened about something: . Dont try to pretend to be someone else when you are not. Its a well-known saying I had butterflies in my stomach. It can also be a symptom of social anxiety disorder. Everybody likes compliments. Characters may show their emotional state with body language or internal sensations. And lets not forget bikini-wearing beach beauties stalked by monsters in horror stories. Strengthen the above body language and internal sensations with dialogue or setting. You do not just wake up and become the butterfly. However, no words can describe how you feel when writing something. Basically, these feelings when it comes to love are very early symptoms of arousal.We are experiencing the first steps in sexual passion, and this is why we get physical responses such as butterflies. Your email address will not be published. Especially when you want to make that person feel butterflies in their stomach. Dancing. Dipiro., CHAPTER 66: Anxiety Disorders, Page: 675, "Why do you get butterflies in your stomach? Kevin: Im going to do it on our anniversary, which is this weekend. She is the co-founder of Global Convoy, a travel production company. Abs, abdomen, stomach, waist, midsection No matter what you call this area of the body or how you describe it, well-chosen words will strengthen its description. Of American-English origin, the phrase butterflies in ones stomach denotes an uneasy sensation felt, especially in the stomach, as a result of nervousness or apprehension. This phrase is based on the notion that the fluttering of butterflies may produce a similar sensation. a series of related things or events, or the order in which they follow each other, Watch your back! anxious . Do you want to text her? Making eye contact. Every few pages, there will be another description of the MCs heart rate speeding up, or their face turning red, in slightly different words. Synonyms and related words Synonyms and related words This can occur when we enter Sometimes we dont just get nervous in bad situations; we can get nervous from love too. Or hate. Manifesting your feelings does not require any specific occasion. nervous stomach . Example: tell your partner how she makes you a better person or how much you appreciate spending time together using some particular details only two of you know. butterflies in. Arching. Attention-getting gesture It is hard to explain why this approach works, but it does. Weve examined here why love can make you feel butterflies in your stomach, and as we saw one of the chemical responses makes us feel anxious and worried. Change your default dictionary to American English. SMART Vocabulary: related words and phrases Anxious and worried (all) hot and bothered idiom -racked aflutter agitated angsty anxious fretfully frightened fuss See also 1000+ Ways to Describe Colors and 300+ Words to Describe Skin. For example: If youre not inclined to coin a new word, try one of the following: B to V (Discover even more words in The Writers Body Lexicon.). Need synonyms for having butterflies in the stomach? stomach. The phrase butterflies in ones stomach means a slight moving sensation within ones stomach when one is feeling anxious. Idioms with the word back, Cambridge University Press & Assessment 2023. WebThe hormone that is released to your brain that gives you the "butterflies in the stomach" when you fall in love with someone, is dopamine. A century ago, it was rude for a woman to send a letter to someone she liked before a man did so first. It does not mean that you must create a fake case where you need help. If you believe something to be incorrect, please leave us a message below. You wouldnt use the phrase butterflies in your stomach to describe feeling ill from a stomach bug. https://www.youtube.com/watch?v=SMgH5i-UR_s, Why Do We Get Butterflies In Our Stomach? There might be some inappropriate messages that your partner can receive at the wrong moment. Our brains are responding to the situation by releasing a chemical called dopamine in the brain, which is otherwise known as the pleasure chemical.This is because of our primal animalistic instinct that we have seen something we find desirable in the area. Below are some examples of how this expression is used. When we feel a love response, particularly for the first time, we feel things like butterflies, get rosy red cheeks and start to feel almost, worried to an extent. Just be there for her to support and share joy or sadness. Why do we feel like this when it comes to falling in love? More Than 450 Ways to Describe the Abdomen and Waist Area, KathySteinemann.com: Free Resources for Writers and Poets. This medical symptom article is a stub. Im so nervous that I have butterflies in my stomach., When you took that corner at 150-miles an hour, I had butterflies in my stomach., Im waiting for them to announce the winner, and I have butterflies in my stomach right now., What are they going to say? For instance, if youre waiting in line to get into a concert venue to see your favorite band perform, you could say you have butterflies in your stomach to describe your feeling of nervous anticipation. This phrase is based on the notion that the fluttering of butterflies may produce a similar sensation. WebWhat is another word for having butterflies in the stomach? Relax and enjoy your creative journey . What if they like me, what if I screw this up?This arousal along with the accompanying anxiety is what causes the attributing responses that were so familiar with. The symptom of this phenomenon is usually experienced prior to attempting to partake in something critical.[2]. This feeling could also happen before something youre uncomfortable or unfamiliar with, such as public speaking. Playing mind games and being dishonest with your beloved ones are the last things you want to do. It seems that abs (and not ABS as in anti-lock braking system) play an important role in many genres. Synonyms for 'have/get/feel butterflies (in your stomach)': worry, panic, dread, fret, agonize, fear, have a lot on your mind, fear the worst (for) Some of these links may be affiliate in nature and we sometimes earn a small commission if the item is purchased. If so, you could use the expression I have butterflies in my stomach to describe your feeling of nervousness. Aku Junior Member Members 23 posts Posted October 24, 2009 For me, it's a sense of nervousness, slight nausea, and wanting to flap my hands or do anything to avoid sitting still. The fear of a jump, worried about whether or not youre going to survive. The first use of the phrase butterflies in my stomach appears in a 1908 publication where it reads. The longer you know each other, the more personalized your compliments should be. According to some psychoanalysts, the physical manifestations such as butterflies in your stomach, clammy hands and sweating etc are all a result of lust.We, as animals have urges to mate successfully, so we can connect them to an early sexual response. Placing hand on heart. But occasionally, we may get things wrong, or information becomes outdated. Webbutterflies in stomach as in concerned synonyms for butterflies in stomach Compare Synonyms anxious distressed disturbed troubled uneasy uptight bothered exercised gave him a sad feeling, as if he had a butterfly in his stomach.. Much like when we get a dead arm, we experience a fluttery type sensation due to reduced blood flow to vital organs. This post unpacks everything you need to know about the meaning and origin of this expression. gaunt, glossy, hairy, hanging, hard, hard-bodied, hefty, hunky, husky, impressive, indestructible, inflamed, inflexible, knotted, lean, leathery, limp, little, loose, low, magnificent, moist, muscular, N to P i was thinking about that! Suspicion People will also get butterflies in their stomachs when they are around someone the are romantically involved. When are you going to do it? If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Here are a few idea starters. Becca Marsh is a travel enthusiast and a lover of nature. Nausea The restriction makes our intestines smaller, which is why we sometimes need to pee when we are nervous. Parted lips. What does Butterflies In My Stomach expression mean? The feeling itself is like having a butterfly flying around inside you. For instance, in the phrase "the yellow sun", 'yellow' is the adjective as it describes the sun, whereas 'sun' is the noun.These wow word butterflies are the perfect way to get your English class excited about language. Webmoth metamorphosis lepidoptera chrysalis ant camouflage insect hesperiidae thorax pollination imago papilionoidea clade aposematism abdomen evolved superfamily mimicry predation parasitoid mutualism vanessa cardui monarch butterfly lycaenidae antenna honeydew structural coloration pheromone nymphalidae spermatophore diapause nectar WebAnswer. Conflicted emotions, Stroking the stomach (male) WebButterflies in the stomach is the physical sensation in humans of a "fluttery" feeling in the stomach, caused by a reduction of blood flow to the organ. Part of the reason why dopamine exists is for things like eating and sex. idiom. This is the same feeling which, over time, gets stronger to want to do anything for that person or do anything to be with that person.In fact, our brains are connected to our stomachs in a whole manner of ways when it comes to love. We use this expression to describe feeling nervous, anxious, or excited. It will also go away on it's own anyway. qualmish, queasy, rash-ridden, raw, relaxed, resilient, ridged, rigid, ripped, rippled, rock-hard, rotund, rugged, S She always has butterflies in her stomach before a test. Web1. This expression originated around the early-1900s. Invent adjectives. The students are sure to get butterflies before their first job interviews. What else can I do to give my partner the butterfly feeling? Webhave / get / feel butterflies (in your stomach) Definitions and Synonyms phrase DEFINITIONS 1 1 to feel very nervous or excited about something that you have to do, especially something important Do you get butterflies when you have to talk to lots of people? WebWe all know the expression butterflies in my stomach and we all tend to agree on what that feeling signifies for us at a psychological level. WebSummary. It is also an excellent chance for her to feel helpful to someone she cares about a lot. Not everyone will experience butterflies in their stomachs at the same level. Learn more. have cloth ears ape-like, gorilla-like, pantherine, wasp-waisted, A to X But Im excited, too! The text that can melt ones heart is the one that comes unexpectedly. Physical sensations associated with emotions. Before offering it, think carefully about the significance of this step. Even though just a simple You look so beautiful will have a tremendous effect, avoid using standard statements. Just use a real-life situation and share the difficulties you experience. Manage Settings Regina: Youre probably right, but I feel more than just butterflies in my stomach. Ahora, the last release of the Romo-Agri-Messiez, ranked in the top, Is it possible to buy an L-shaped sofa cover today, THE IMMACULATE CROWS AND THEN THERE WERE TWO, What You Can Text so That She Gets Butterflies, Golden, green, and other visas to Dubai for the purchase of real estate and more, 8 Terrific Gift Ideas for Kids Who Love to Cook. It is Web*butterflies in one's stomach a nervous feeling in one's stomach. *Amazonandthe Amazon logo are trademarks of Amazon.com, Inc., or its affiliates. The reduced blood flow to the intestines means the walls start to constrict to help reduce blood flow. sagging, saggy, scraggy, sculpted, sensitive, sexy, shaped, shapeless, shapely, shiny, short, shredded, sinewy, skinny, slack, sleek, slender, slight, slim, sloppy, smooth, soft, solid, sore, spongy, springy, sticky, stiff, strong, stuffed, sunken, sweaty, swollen, T to V Its sometimes called fluttery stomach, queasy stomach, or butterflies in your stomach. Among butterflies (chOchO) Rein gives prominence to the broad-winged kind (Papilio), which recall tropical brilliancy. Talk to her. Defensiveness When you get nervous or excited, your heart will start beating faster and it will start releasing adrenaline. This is the British English definition of have / get / feel butterflies (in your stomach).View American English definition of have / get / feel butterflies (in your stomach). So, you can discuss that as well. This causes the tingling or fluttering sensation resulting from your body entering fight or flight mode. The consent submitted will only be used for data processing originating from this website. So, here are some effective ways you can choose. Glancing over your shoulder. WebAnswer. The body prepares to react quickly, for example running from danger. The word in the example sentence does not match the entry word. Heebie-jeebies. Of American-English origin, the phrase butterflies in ones stomach denotes an uneasy sensation felt, especially in the stomach, as a result of nervousness or apprehension. Butterflies in the stomach are usually linked in culture and language to the sentiment of love and sexual/romantic passion to a desired other. Its a concept rather than an entity.This chemical reaction we feel when were in love gives us the animalistic urges to hug, kiss, and make love. Britannica says it is anxious and having a nervous feeling in your stomach. Butterflies in one's stomach . Reply [deleted] Additional comment actions Tension, Covering midsection with a personal object like a purse Anxiety Some companies send butterflies to any address. What can you do after Valentines Day to make your sweetheart happy? Why Are Prefab Sports Buildings Getting Popular? Attempting to look more appealing to a love interest, Pushing out the stomach Who should send a text first when I meet someone I like? A to W We use this expression to describe the feeling when one is nervously anticipating something, such as a speech or other big event. We have a thorough fact-checking process and a dedicated team verifying our content for accuracy. WebIn short, the phrase to have butterflies in your stomach is to describe a feeling of anxiety or worry. uptight . Conscious or unconscious reflex of a pregnant woman who wants to broadcast her good news, Shielding midsection with arms or hands This natural reaction would have been useful for our ancestors when running from predators or danger. This is referred to as butterflies in the stomach. Now, youre 100 percent devoted to the person and focused on getting them. Belly-up: dead, defunct, obsolete, useless, Blood and guts: brutality, carnage, savagery, violence, Butterflies in the stomach: anxiety, jumpiness, nervousness, unease, Dead from the waist down: asexual, frigid, passionless, Empty stomach: hunger, ravenousness, starvation, Fire in ones belly: ambition, determination, drive, grit, resolve, Gut feeling or instinct: intuition, precognition, presumption, suspicion, Gut reaction: instinctive reaction, reflex, spontaneous response, Gut-wrenching: distressing, harrowing, shocking, traumatic, Navel-gazing: hedonistic, narcissistic, self-indulgent, Proud below the navel: aroused, erect (male), excited, turned on, Sick to ones stomach: barfy, nauseated, qualmish, queasy, To air ones paunch: heave, puke, upchuck, vomit, To belly laugh: chortle, guffaw, hoot, whoop, To belly-ache: carp, complain, gripe, protest, To bust a gut (1): labor, struggle, sweat, toil, To bust a gut (2): bellow, guffaw, hoot, roar, snort, To contemplate ones navel: deliberate, meditate, muse, reflect, To hate someones guts: abhor, despise, detest, loathe, To have no stomach for: abhor, disapprove, dislike, shun, To have the guts: dare, gamble, risk, venture, To spew ones guts out (1): barf, hurl, throw up, vomit, To spew ones guts out (2): admit, come clean, confess, own up, To spew ones guts out (3): announce, declare, proclaim, pronounce, To spew ones guts out (4): betray, blab, snitch, spill, tattle, To turn ones stomach: disgust, nauseate, repel, sicken, With a full stomach: bursting, full, sated, satisfied, With eyes bigger than ones stomach: gluttonous, greedy, insatiable, voracious, Yellow-belly: coward, deserter, traitor, weakling, Yummy in the tummy: appetizing, delectable, delicious, scrumptious. Web3. perturbed . armor, bread dough, cheese graters, concrete, granite, iron, life preservers, marble (as in sculpted from marble), nails (as in hard as nails), sausage rolls, shark bellies, steel, swimmers tubes, wrinkled rucksacks, xylophones. The thing is, some people will say that they dont always have this response or these types of physiological factors happen to them.This is because we are all different and the nervousness response will vary depending on the type of anxiety we feel in other areas of our life. Contents [ hide] 1 Butterflies in Alternatively, you can hire a professional to help you tailor the most romantic messages or get you a list of romantic quotes. Midsections and faces often share the same color during the summer months or in tropical climates. This doesnt mean there is something wrong with them; it means that they may have a different experience when their anxiety levels are heightened. Protective instinct, Pulling in the stomach Generally though and perhaps more often, when we use the phrase we connect it to love. The key to creating that butterfly feeling is making your speech about love as natural as possible. The feeling itself is like having a butterfly flying around inside you. Abs often occupy center stage in romance novels. One may feel butterflies in the stomach prior to meeting or confronting a love interest due to high levels of emotion and anxiety, as adrenaline and serotonin may be released when a love interest is concerned. It is hard to believe that a simple text can cause such a reaction. If you dont know what words to choose, you can look through the works of others on the topic of love. Three-time world champion Simone Biles led the way. The following clichs and idioms can be replaced with simpler words. When Victoire Louapre arrived at Mapo Galbi the Koreatown restaurant beloved for its spicy chicken dak galbi she had butterflies in her stomach. This is a physiological reaction that happens when we feel threatened, nervous, or in danger. In this page you can discover 4 synonyms, antonyms, idiomatic expressions, and related words for butterflies in the stomach, like: nervous stomach, collywobbles, heart skipping a beat and dithers. The paradox is that only your sincerity can result in a mutual feeling of love. Glamor or Glamour Whats the Difference. Many online services will help you with that. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Required fields are marked *, Phrases Similar to Butterflies in My Stomach, Ways People May Say Butterflies in My Stomach Incorrectly, Acceptable Ways to Phrase Butterflies in My Stomach. Is there any inappropriate time for texting? worried . Distrust Her score of 62.366 was well clear of teammate Aly Raisman. tapered, taut, tender, tense, thick, thin, tight, tiny, toned, tough, trim, tubby, unsettled, unyielding, upset, velvety, W Whenever I have to speak in public, I get butterflies in my stomach. washboard, weak, weedy, well-defined, well-developed, willowy, wiry, withered, woozy, wrinkled. To "have butterflies" or "have butterflies in your stomach" means you have a nervous feeling in your stomach. WebDefinition of Butterflies In My Stomach in the Idioms Dictionary. Web"To get/have butterflies in your stomach" is an idiomatic expression that means you are anxious and have a nervous feeling in your stomach. He had butterflies all morning at his new job. Along with dopamine though, other chemicals are also released in the brain which make us feel worried or anxious.This is how you can connect butterflies in your stomach to love and lust. I know you have butterflies in your stomach but I'm sure you will do great. If so, do not let prejudice stand in your way. WebWe can describe the feeling like having a butterfly flying around in our stomach and connect it to worry, anxiety, or love. Dont constrain yourself to the list, though. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); The Fact Site is the number one source for the most interesting & random facts about animals, celebrities, food, films, games & so much more. The best way to reduce the butterfly sensation is to try and relax and remain calm. The earliest recording of the phrase seems to be in the early 20th century but it was stated as a singular rather than a plural. have big ideas idiom. The thing is, you can scientifically examine it. This post provides a few tools to help describe them. flatten, flex, grow, growl (with), itch, jerk, loosen, lurch, mushroom, perspire, prickle, rebound, relax, rumble, S to U Regina: Ive never sung in front of a large group of people, and Im starting to feel really nervous. It seemed to have denoted the feeling of sadness or depression, a butterfly stomach. Humming. anemic, black-and-blue, bronzed, brown, crimson, dusky, fair, freckled, golden, marbled, milky, pallid, purple, ruddy, sallow, snow-white, speckled, sunburnt, swarthy, taffy, tanned, waxen, white. distressed worried anxious worried uneasy worried uptight worried disturbed worried troubled tied up in knots heart skipping a beat nervous stomach perturbed bothered upset exercised in a stew on pins and needles worried sick heebie-jeebies nervous stomach collywobbles nervous stomach dithers Not only will your love get butterflies in your stomach, but also you will get a solution to your problem. What Does Butterflies in My Stomach Mean? WebTheres the usual stuff: heart racing, butterflies in the stomach, face flushing and whatnotbut I find that a lot of romance novels get repetitive with this sort of thing. The reduced blood flow to our intestines causes this tingling or butterfly-like sensation in our stomachs. Continue with Recommended Cookies. Bill Gardeners 1943 work describing the ordeals of paratroopers is the first well-known use of the phrase, where it appears as follows. Amir46 asked about the meaning of "I've got butterflies in my stomach." You cant guess what the other person thinks unless you are a mind reader. Do your characters nod or roll their eyes like marionettes? Whether its how you suddenly catch eyes or the effortless way he makes you laugh, that butterflies in the stomach feeling is exciting. Kevin: I think Im going to propose to Madison. These books will provide the tools. heart-monitor bands, heat rashes, hernias, hiphugger jeans, influenza, liposuction, moles, navels, negligees, phone holsters, piercings, rashes, scars, stomach pumps, sunburn, tattoos, tummy tucks, umbilici, waist bags, waist chains, waist-trimmer belts, workout belts. Confusion. I have such butterflies in my stomach right now., The boss is grilling everyone about the theft. The word in the example sentence does not match the entry word. Even though this method goes beyond texting, you can suggest making matching tattoos in one of your texts. There are links between the feeling of anxiety and the body responding in this way. Time to cut the Pinocchio strings. maybe my cats would eat the dead It suits professional and social use in conversation, and most people will understand what you mean when using the expression. On this Wikipedia the language links are at the top of the page across from the article title. Your partner will probably be waiting to get your love text on her birthday or the anniversary of your relationship. You can use the phrase butterflies in my stomach when youre describing a feeling of excitement and excited nervousness at an impending outcome. Luckily, there are various methods to do that via a single text. Closed eyes. When the body has released adrenaline and you experience butterflies in your stomach, there are some ways of helping reduce the experience.

words to describe butterflies in your stomach