No, But its kinda strange...
The guy will have to tell you but when you do the guy will most definetly know.
u should bump into him alot smile when u look at him flirt whenever u can and pretend to get hurt and he might help u it wored for me
he smiles and looks down alot
because they think that the guy likes good girls
when he says he likes you.
iam in love with this guy but i do not know if he likes me or some other girl
If a guy likes you but you don't know him he may look at you or walk by you whenever possible.
http://www.wikihow.com/Know-if-a-Guy-Likes-You
When he wants to spend a lot of time with you. Also when he calls or texts you at least everyday, presents you to his parents. Its not up to me to tell you if he likes you or not, just believe in him and everything will be fine. :)
Not sure how you expect someone to magically know something.
It is ok to like a guy after you know he likes you. That is perfectly normal and a part of life.
You ask the guy.
don't
Lightly flirt with him. There a probably flirting tips on the internet if you need help with it.
When he has a penis.
his eyes will open wider if he likes it