They like each other.
EITHER THEY LIKE YOU AS A REALLY CLOSE FRIEND OR MAYBE AS A GIRLFRIEND.
He was probly just flirting. and somtimes smiling is harmless?
He might think your cute, like you, or be flattered that you like him. The only way to really know is to ask him or ask to be his girlfriend.
no
...it means that the guy you like, likes you!
yes...
nothing....
If you like a guy and he has a girlfriend then you should back off and only try and be his friend.
Then, I'd imagine, you're friends with that guy. It doesn't necessarily mean he's into you, he's probably just social.
If the boy has a girlfriend, find a guy that doesn't have a girlfriend.
well did you ever think he may like you. or hates your friend