"Seriously? You just tried to terrorize everyone with the Dark Mark!" Draco didn't know what to answer and Hermione used those seconds of silence to study him; "I really hope McGonagall isn't wrong about you. We are here to protect you from others, and it would be a real nuisance if we end up having to protect others from you. If you don't want to do it for yourself, at least do it for your parents. It can’t have been easy for your mother to write me that letter, and what do you think will happen if it turns out that her son hasn't dropped his old habits?"