Here is an article, designed for guys aged 12 to 14, that will help you figure out if a girl really likes you.
Steps
Step 1. Observe it
Does he seem to be flirting with you? If you meet a girl, for example when you go out to eat with your family, and you think she is watching you intensely, also observe the behavior of her friends or sisters: notice if they are also keeping an eye on you. If you notice a situation of this type, keep it in mind but do not take the initiative … be patient a little longer.
Step 2. Notice if she or her friends look at you or glance at you
If you catch her looking at you, you can take advantage of a classic trick: look back or nod your head in their direction. They will look away and will probably chuckle.
Step 3. Prepare to be “tested”
It could happen often (especially in summer). For example, if you are relaxing on the beach and two girls are approaching you to play in the sand, they might try to observe your reactions. One of her friends may approach you with flirtatious attitudes, or mischievously adjusting her costume, but try not to mind her if you don't want to pass for a pervert. This is likely to be just a trick to understand how you feel and perhaps discourage the girl who has a crush on you. Be very careful and don't fall into the trap: pretend nothing has happened and ignore certain attitudes, if you want to pass the test and make the person who likes you happy.
Step 4. Give her some special attention
If you like that girl too, show her your interest, fix your hair when you know you're not being looked at and, without stopping what you're doing, try to be as natural and casual as you can.
