Despite his fairly thorough explanation, Caedra is left puzzled. Mental illness? Can a mind be sick? She genuinely has no context for this sort of thing, especially if his world isn't magical - because she certainly is familiar with mind-altering spells such as Geas or Feeblemind, and presumably a strong enough individual could train to remove those sorts of curses but that doesn't fit with what he seems to be suggesting.

"I don't think I understand," she admits. "People think differently all the time, right? How can you possibly claim to know how someone should think?"