"That very well might be true," he says. "And I've been surprised a fair amount in my life, I might be more used to it than you are. Probably you don't get very many surprises sitting in your abandoned tower all day. Probably it's just the occasional squirrel dropping in to say hi and ask if you've got any spare chestnuts. That's a joke, squirrels don't talk. That I know of. I guess they could be doing it where nobody else can hear and we just wouldn't know about it."