it usually means that he is happy that you are in his life and what would he do if he never met you?:)
what does it mean for a guy says you are my angel
He's not into you.
It means get some
When a guy says that he would bend over backward for a girl he fancies, it means that he would do anything to keep her happy.
It means that you have not
He likes you, thinks you are cool.
It means that they would have sex with whoever they are referring to.
The old adage says that living well is the best revenge.
he loves you
He clearly doesn't like you
It would seem that he has interest in you and from there if you are interested it would be up to you to find out.
If a guy says that you are pretty it does not mean that he likes you. He could like you, or he could just be paying you a compliment.