"You're most welcome, but I could hardly leave you behind, could I?"

Watson shakes his head dismissively. He wouldn't have been able to live with himself otherwise. He knows what it is to be injured on a battlefield. He can hardly say that, though, to a man he just met.

He lights the fire as he speaks, with the ease of someone who's done this thousands of times. "We might be here for some time, though. Do you have much experience in a fight?"