He grabs his pack and yanks clothes out until he finds a shirt. He stays turned away, partly so she doesn't stress about him trying to eye her up, and partly because he's irritated now.

Fine, then. She can have it her way. As soon as he's buttoned the thing up, he chucks another handful of brush on the fire and lies down, lighting up a cigarette. He won't go to sleep first out of principle now, but that doesn't mean he has to sit here and get into idle chat either.