That would mean he respects you....your intelligence, your morals, your sense of fairness, etc.
He thinks your awesome
It implies that the guy thinks you are gay.
That that girl thinks that that guy is handsome.
It means he thinks you are attractive.
He thinks you are a hard worker.
it means that he likes you and he thinks your nice
He thinks you are quite sexy.
If a guy says he thinks you are the prettiest girl on the school campus, it means that he likes you.
He likes you, thinks you are cool.
It seems he thinks highly of you, enjoys your company and friendship.
It means he wants to break up with you, he thinks it will not work out
It means that your all his attention and all he thinks about:)