"Oh, aye, if you want me to," he replied, offering his arm to her. He didn't want her getting lost in the engine room, after all, and, well. He did fancy himself a gentleman. Most of the time. Right now was certainly as good a time as any to be a bit gentlemanly; in an engine room as big as the Enterprise's, if Kaylee got lost he'd have one hell of a time finding her again. The first stop, he thought, should be the warp core. "What sort o' propulsion system have you got on Serenity?" he asked, to get an idea of just how much he needed to explain.