Article in English: A lot of girls your age may not have a ton of experience talking to boys yet, so you can make yourself stand out by simply taking the time to talk to the boy you like. You don’t have to come up to him and start an intense conversation, especially if you’ve never spoken before, but just making the move to say “hi,” give him a small wave, or ask a question about class can give you the opening to start talking. He’ll be impressed that you’re so confident and will want to talk to you more.  At first, you can just say “hi” to him in a group setting or even introduce yourself. You can build your way up to talking to him the next time. If you’re shy, you can think of something to say to him in advance, like asking how he likes the class you have together or how his baseball game went. at him. You don’t have to hide under your desk or ignore him every time he passes you by. Just smiling at him will lead him to wonder who you are and will make him want to know more about you. Guys also like girls who are friendly because they put them at ease and make them feel more comfortable. You may think that they really like girls who are cool and quiet, but that’s just a myth; just the act of smiling at the guy will get him to notice you and to want to get to know you more. Smile at him when you make eye contact. You don’t have to seek the guy out just to smile at him. Another way to get the guy to notice you is to make sure that he sees you having fun. Whether you’re talking to your friends, playing in the street with your neighbors, or standing in the cafeteria line, he should see that you’re a positive person who generally enjoys herself no matter where she goes. Seeing that you’re a fun, pretty happy person who likes what she’s doing will attract the guy and will make him want to get to know you. If he always sees you scowling or staring at your phone, then he may not think you’re a very fun person to spend time with. This doesn’t mean that you should fake it. If you’re having a terrible day, you don’t have to laugh loudly...

Summary in Indonesian:
Janganlah takut untuk berbicara kepadanya. Tersenyumlah Biarkan dia melihat Anda bersenang-senang. Miliki bahasa tubuh yang percaya diri. Buatlah dia terkesan dengan kepercayaan diri Anda. Bersikaplah ramah kepada semua orang. Buatlah agar dirinya memperhatikan Anda.