"Oh, easily." Sliding his coat off. "Fair warning, I may ... er. Freeze up?" Sheepishly. "Might bring up some bad memories, y'know? Or might not. Hard t'say. Y'needn't bother stopping if it's just momentary hesitations or something, but obviously if I'm actually unable t'move for an extended period of time ... Well, y'don't need t'be told."

Beat. Quietly: "M'sorry."