She's a bitch, he's an asshole
Moody experienced a very harsh heart break in high school. To protect himself from another one, he becomes a player. In different words, he acts like he doesn’t have a heart, when in fact he has a very soft one. And because Moody loves his little sister so much, he teaches her how to play with boys and how to treat feelings like they are nothing. Having had a bad boyfriend once herself, she likes Moody’s way of dealing with love. The innocent little girl turns into a bitch, but only until she meets..