If a girl understands your bullshit, sticks by you through all your mistakes, smiles even when you've done nothing for her, its obvious she's a keeper. But, its also obvious you don't deserve her.
Tyrese Stay
http://www.youtube.com/watch?v=swTjmWQa4IY
(I love this song and I can't wait until it applies or when someone comes to mind when I hear it. Its a couple song but, its still my favorite)
