she might be a he :P
or shes trying to sound kool
It really doesn't mean anything, except thanks. It is a slang term, and is commonly used in that fashion for either gender.
Barack Obama
It means that he has a lot of affection for you and that you are special to him.
it means that she is the one for you
That they were just kidding.
it means you should run
it means he wants to marry you.
He thinks you're an adult female....
she wants to date him, hu with him, or just have sex.
She probably sees you as gay.
That there is another woman on the side
He has himself together and also fine in term of the body...
She really likes you and whatever you said she is blushing about.