"I wouldn't think my invulnerability has anything to do with it," he says, watching her carefully. Again, it's not out of fear for himself, but rather as though he's worried if he makes any sudden moves, she'll bolt.

"In my experience, sometimes when two people can't stand each other, they need to be forced into a situation where they have to be on the same side. Even if temporarily."

He's not actually saying something about himself and Grace, but he's not specifying what he means, either.