He doesn't realize how cold his skin has turned until she touches him. There's a twitch, because the sudden realization feels almost like pain.

"I wanted ta do it."

In retrospect, he probably should have said just that. He rolls over to his side, in a loosely packed fetal position centered around the fire. He's got to bring his body temperature back up, but there's more wood to whittle.

He holds out his arm to give her the knife.

"Here. I need ta give my wrist a break."