[He opens his eyes again, but keeps his gaze somewhere further away, past Reiner.]

I think it's connected to what happened in December - when I couldn't control my wolf form. I guess I'm scared that I'll completely lose the ability to control it. That I wake up after fullmoon having done things I didn't mean to.

[Most likely those he deemed 'pack' would be safe, but what about other people? Does he really need to start locking himself up if that happens? It's a sad thought.]