"I believe you. Why don't you tell Corner you were wrong and I will ensure he doesn't hit you and then maybe you two can reassess each other."

"I said okay."

"Where is he?"

"I don't track him."

Can he be found?

Yup, in the first year Ravenclaw boys' dorm.

Timothy'll just stand in the doorway and ensure no punching occurs.

"It has come to my attention that there might be reasons to marry Muggles besides the one I came up with," says Trembley formally.

Corner glowers at him.

He's just preventing punching, here.

"So stop hitting me," Trembley says. "And stop locking me out at night."

"I'm not hitting you."

"There's a prefect staring at you."

"Did he make you apologize? That wasn't even an apology."

"He's making you safe to be near."

"Go away, Trembley."

"I live here!"

Silence.

Timothy sits down. 

"I can think of several hundred things I'd rather do," he says, "but until you're showing signs of being able to talk unsupervised you get to be supervised. Corner, do you have anything to say to your housemate? 'I hate you and I wish you'd be eaten by a dragon' would be a big step up from where we're presently at, since it involves the use of language."

"That wasn't an apology and you were badly brought up and need to learn to keep your mouth shut," says Corner.

"You need to learn to keep your hands to yourself!"

"And what are the prospects for learning these two things?"

"This is a school!" protests Trembley. "How am I supposed to learn anything if I don't say anything?"

"If you say asinine things about people's families you deserve a fist to the face!"

"- Corner, supposing I agreed with you on that, you might still lose me at 'and if you look at me funny you deserve a fist to the face'."

"I know he was talking about me."

"Yeah. He asked Phelps if he was wrong about why people'd marry a Muggle and she said it was better to have four halfbloods than two purebloods if we're worried about numbers and he said she had a good point. Clearly a punch-meriting conversation."

"You didn't see how he looked at me."

"You suggested he shut up. If you're punching him for the faces he makes, that wouldn't even help."

"He was talking, he just had some spell on!"

"So the circumstances under which you feel justified in punching your classmates are...they say something awful, they say anything at all which you don't hear but which is accompanied by looking at you funny...is that it or should I expect more of them?"

"I don't have a list."

"I have a problem with this approach of yours."