I think it's about a relationship in which the singer's girl has cheated on him, so he's exacted his revenge by cheating back...now she's angry at him, and the point of the song is to remind her that there are two sides to him, and that in the end she chooses which one he shows to her.
I think it's about a relationship in which the singer's girl has cheated on him, so he's exacted his revenge by cheating back...now she's angry at him, and the point of the song is to remind her that there are two sides to him, and that in the end she chooses which one he shows to her.