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While they may seem perfect in your eyes, your crush is just like you. When you have a crush, you may be experiencing the "halo effect," which causes you to see that person as flawless. You need to remember that your crush is a human being who makes mistakes, and is no better or worse than anyone else (including you!).  Try the old public speaking tip: to calm your nerves, imagine the audience is in their underwear. In this case, imagine your crush in a vulnerable or silly position: in their underwear, going to the bathroom, or getting potty-trained as a kid! Try not to think of your crush as "the cutest, smartest, most perfect person," but as "that person I sit next to in biology." Idolizing your crush may prevent you from seeing things that are not so good about them. You might be so caught up in how cute they are, you miss that they're actually not a nice person, and not someone you really want to be with at all. If you have third period English with your crush, or you know you're going to see them later, do something that will put you in a confident, positive mindset. It can be as simple as wearing your favorite color or a meaningful piece of jewelry. Maybe just stopping into the bathroom before class to apply some lip gloss, practice your best smile, and make sure nothing is in your teeth will help you feel your best.  Try wearing a necklace or ring that was a gift from someone who loves you. When you're feeling nervous, touch your jewelry to remind yourself that regardless of how things go with your crush, there are plenty of people who think you are amazing. Try striking a power pose before you see them. Stand with your feet shoulder-width apart, hands on your hips, shoulders back. This "wonder woman" pose can actually change your chemistry, making you feel more confident, more likely to take risks, and better able to cope with stress. It can be as simple as saying "Hey" when you pass them in the halls, or asking them what the homework was (you forgot to write it down). These little moments will make talking to your crush seem normal and not so scary. Don't listen to advice that tells you to fake interest in your crush's passions. Instead, find out which passions you both share. This can help humanize your crush and will also give you an easy way to start a conversation with them. If you're obsessed with the same band, and you can speak about them with confidence, it might make it easier to talk to your crush without stuttering, feeling nervous, or not knowing what to say.  Use this as a jumping-off point to ask your crush about themselves. People love to talk about themselves and usually think favorably about someone who asks them questions and listens. Ask if your crush has ever seen the band live, or which songs are their favorite. Finding out your common interests can also be a good way to lead up to asking out your crush. If you both love soccer, maybe you crush will want to join you (and your friends, if you're still nervous) at a match over the weekend. If you have a trusted friend who knows about your crush, she might be able to take some of the pressure off your interactions. Knowing you have someone in your corner can help you feel a little calmer and more confident. Make sure you trust your friend not to embarrass you. If you have a friend who can sometimes be a little mean or likes to tease you, then telling her about your crush might not be the best idea. She might think it's funny to try and make you blush or even tell your crush how you feel.
Remember that your crush is just a normal person. Do something that boosts your confidence. Start with small, easy interactions before trying a full-on conversation with your crush. Figure out what you have in common. Ask a friend to be your backup.