She looks a little like an Awoken there for a moment. Just for a bit. It passes. He's not actually threatened by it; it's not that unusual to him.

"But no one else is immortal here. If he's done this a million times before, he must still be tryin' to figure that out." But hell. If she's immortal, too, then... okay, he'd still have been cagey about his own immortality even if he knew.

"I'll tell you what, I'll get mine out an' I'll tell you how it goes. Rip it clean out of my head. Then my little bastard buddy'll either bring me back? Or I reckon a double will pop up."