1If he gives you a potato then it is true love
You will know if a guy likes you because he will ask you alot of questions and he will try to get to know you better,but don't think that just because he talks to you that he likes you,make sure that they are the right person!!!
ask her... its really the only way to know for sure!
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If you know for sure a guy likes you, you need to decide whether you like him back or not if you do then the guy will probably want you to tell him as I'm sure he will want to know if he has a chance of being with you or not. If you don't like him back try not to be too harsh but just make it clear you only want to be friends but even then be careful not to string them along. :)
Not sure how you expect someone to magically know something.
If he stares at you, smiles and is really nice to you then he probably likes you.
You know he likes you back when he sticks his wanger in your hiney.
try to sneek up behind him and then hump him
Ask him.
ask the dude
Get to know him better.If he acts interested in you,you know,if he acknowledges you and talks to you,there is a good chance he likes you.
Hi, try flirting with him and if he flirts back you will know! x-x