[Nor is Ryoji, even when he does have his emotions. The only one he's ever shown anger towards is Asakura, and there's some good reasons for that.

He gives the Professor a small nod, though he doesn't look encouraged.]

I feel that with what happened last week, it would be dangerous for me to return to life again. I don't know if I could cause the same problems in a world that wasn't my own, but we shouldn't risk it.