I think it had to be, to have that kind of power and still be... living. I mean, I've never met an Avatar that old or anything, but I kind of imagine at a certain point your mind wouldn't hold together.

[As he thinks intensely about Simon Fairchild and then tries to forget Simon Fairchild. Immensely.]

At least, based on the theory we've been uhm-- I mean, that we've figured out so far.