Oh. That's... intense. Possibly noble? He's not sure. Using people as puppets isn't particularly positive. And this is heavy. Getting heavier by the second. Papyrus certainly understands Kuja's apprehension.

So he nods. "SORRY. I REALIZE THIS IS VERY PERSONAL. I WON'T PRESS IT, ALTHOUGH..." And here he hesitates. This is also very personal, but. Well. The subject's already come up. Ish. "I SUPPOSE I'M NOT ENTIRELY UNFAMILIAR WITH THE IDEA OF USING VESSELS FOR SOULS."