Trowa shakes his head, although the motion may be hard to see in the moonlight.

"I wouldn't go too far into the forest without a reason." Unspoken: anywhere else should be fine. There's no need to stay indoors.

(Trowa would do things a lot more dangerous than wander into werewolf-infested woods if he had a good reason for it, of course. But there's no reason to say that, or even really think it. They both take it for granted.)