My most favorite quote of ALL TIME by Tupac, should read ".or you can just leave the pieces on the floor and move THE FUCK on." explicit but rolls off the tongue better once you finally get to that point.
Grey's Anatomy - "You didn’t love her. You just didn’t want to be alone. Or maybe, maybe she was good for your ego. Or maybe she made you feel better about your miserable life, but you didn’t love her, because you don’t destroy the person that you love.