Klaus gave him a searching look and frowned a bit as Jack spoke. Really, he understood too much, or just enough, or something...something that made him really see what Elijah might see in the man more than his blood. Granted, he'd liked spending time with him from the start, amusing enough, even when he was contemplating killing him.

"It is, in the start. Go long enough, when it eventually turns back on, you're either crippled or too far away from any real humanity for it to matter. It tends to make monsters, I suppose."

Though some of them were just born that way, or so people said.