Jack looked back with wide blue eyes, and guileless smile. Except not quite, because he wasn't really trying to lie to Klaus, and even if he had been anyone who looked closely enough, or for long enough, was going to see something... more.

"Live long enough, or experience enough, and you pretty much have two choices, no matter what you are. Learn to live with it, or shut it down. Shutting it down doesn't really work for long. Sooner or later, either you or something in you really does die. I guess that's the point people become monsters." Unlike monsters who just were.