It seems as though she likes you but may be too shy to flirt or initiate a conversation. So make an extra effort to talk to her and get acquainted.
Because They Like You
It means either she changed her mind about not liking you or she just has had a crush on you for a while.
It means that he's nice and shy. Or he might like you also.
It means they like them but are to shy to say anything
If she smiles then it's a YES. She just wasnt expecting it is all.
He really likes you!!!!
It can mean nothing. The girl is just trying to be helpful. If the girl smiles and looks giggly while passing the sharpener than she my like you.
she is in loveve with you
Maybe he's just too shy and can't contol his actons.
most likely
just means she thinks you like her. beware
Men smile like women smile. There is no special smiles, but if the man is making eye contact and has a smile he may be interested.