[ He thinks about saying 'yeah' and just leaving it at that but that just feels...bad. Like lying.

Puella is so nice and his friend, so he doesn't want to make her sad and bother her with his problems. But, still. ]

Uh-huh.

I've just been thinking a lot about stuff. [ About dying, about whether it's right, about how to feel... ] It's hard to sleep when I think about it, so I just...don't sleep as much. Anymore.