Science, enough said.
She's not the best person, but i don 't like her or hate her, so in the middle.
You don't, it doesn't work.
Maybe you should tell a docter, ask him, he would know the best!
You could have pulled something, or your siting on it!
ASk if u can pratice on ur best guy friend, if that doesn't work than watch movies with lots of french kissing involved, and keep rewinding and watching it over, untill you think that you got it!
I think some boys do it because their crushing, others just to be mean, and some just because they don't know better...boys are weird!
Boys want control over everything. They try to impress you with being mean and all tough. Guys need to know that they just have to be nice and themselves for a girl to actaully (maybe) like them back.