"Break up with her if you want to, Draco, but tell her why, if you’re doing it out of some noble self-sacrificial idea of "doing what’s best for her.’ Give her a chance to decide what’s best for her." She skewered him with a look. "If you break her heart because you want to try and play at being noble, I will hex you with something well nasty, and then get Remus to bite you."