It would depend on what type of persn it is, if they're outgoing and not shy they would tell you straight out, but if they're shy they would wait a while and flirt.
He compliments you, sweet to you, and many other signs.
There is a few ways to tell if a guy likes a girl. You can tell if the guy smiles at you a lot, talks to you or about you, touches you or tells you.
If he keeps looking at you many times, that's a safe sign to say that he likes you.
Definitely. If you already know he likes you too, give it a try.
Your luck.
yea go for her!
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.
when he says he likes you.
http://www.wikihow.com/Know-if-a-Guy-Likes-You
yes
Not sure how you expect someone to magically know something.