So long as you don't see fit to attack me in my sleep, I'll consider it a fair trade. I think it's common decency not to let someone freeze to death if one has the means to prevent it.

[And it's common decency not to murder people while they're sleeping! So it's fair.

He sets the poker down once he's done stoking the fire and looks over at her, his gaze discerning. Eventually, he offers:] You could tell me your name.

[So it's easier to find her if she does double-cross him, obviously. Though it comes more from a place of general curiosity than anything else.]