He shook his head a little, giving that hand in his own another squeeze, "It's quite alright, Charles." He turned his head then to nudge his brow against Charles' temple, "You didn't know. It isn't... well, it isn't as if I've said anything about it, is it? Even since you saw part of it."

He was too used to keeping the details packed away tight where they couldn't hurt him, where that information couldn't be used against him, along with the not-entirely-baseless fear that speaking the demon's name would alert him, somehow.