it means the thinks your pretty and cute, hes flirting with you.
It could mean the girl finds him to be caring, and could even like him.
He likes your smile / he hates seeing you sad
It does not necessarily mean anything - he may not be interested in your smiling.
Say you love them back, or if you don't, just smile or kiss the or something.
It means he's nice, don't look to into it.
act nice and smile.
well i would smile then i would tell him that's really attractive...then you would start to kiss him!
or wants to be a good friend
he wants you
When a guy tells you he feels a pit in his chest, he means that he has a chest pain.
If a guy tells his friends that his girlfriend is quality, he means that she is a great girlfriend.