"The word 'nostalgia' originally meant 'the pain from an old wound,'" Seimei says. "It is actually a welcome thing, when the wound is nine hundred years old."

Also, it's good to have the reminder that he used to be human. But that's about the present, isn't it? Not the current topic of conversation.

"I don't know if you've come across the Kagerō Nikki in your studies, but that was a very unhappy marriage."

And is now one of the enduring classics of Japanese literature, oddly enough.