[there's a facial twitch at that first line.

like the smile is almost being forced to make way for another, not as pleasant expression.

but then the smile stabilizes.]

I guess when all you've got is a knock on the head and a small cut, it's easy to say that sort of thing.

[he can't entirely keep the spite from leaking into his words--why is it fine for him to say something like that but he comes at Dazai the way he has when he says something similar???]