"Of course you’re extorting her for money! I’m not an idiot. I want to know why? I’ve been watching you, Riddle. You’re always on your best behaviour, especially around the purebloods. You don’t do anything that could turn them against you, even when they deserve it. Even when Malfoy is being a rat bastard, you don’t retaliate, not really. So why are you risking extorting a Simpson? It doesn’t add up."