[Without really meaning to, he snorts in an uncharitable way, before his expression immediately softens in regret.]

...Sorry. I know he does. It's just... Well, I'm worried about him too.

[He turns his eyes in the direction of the treehouse next door, as if he can see through the multiple solid wood walls in between and land his huffy disapproval straight on their friend.]

I'm guessing he is probably holed up somewhere, blaming himself for everything that happened when he really shouldn't. Am I right?