"Okay," agrees Yuri, because he is really trying to be helpful and saying what he really thinks isn't going to help right now. He really did make this worse; at least the guy was sitting quietly before Yuri came and got him all worked up talking about the trees. "You're not. Would it help if we talked about something else?"

Because he can't just leave Tim here now that he knows someone's off panicking because trees, and he can't stay here without trying to help, and he's rapidly exhausting all his best guesses about how to make this better.