Because you're thinking, presumably, of the kind of insanity you're afraid of. Babbling at walls, sadism and perversion. I've been resistant at all to the idea of it being genetic. Why and how would've been better questions.

[ He really does not normally do that but he can't say that part of him does not quite enjoy pointing out where Byerly could have gotten more out of him, and didn't. Even if he's not necessarily right, even if Byerly's just taking a different approach. It makes how much he's choosing to give up a little easier to swallow, at least. ]

Are you capable of coming over here, or are you going to fall over once you leave that tree? [ He wants to show you something. ]