[So far he's definitely on the "intrigue" side of the scale. That's bound to change though and sure enough, soon as they're in the bathroom he's starting to actually realize what's about to happen here.
Small room. Lots of nudity. Even more intimacy, what with the washing and scrubbing, and considering some of the associations he's got with steamy showers... well. He's not concerned, per se, but rather acutely aware of just how naked and close and intimate they're about to be.
For once, he doesn't immediately look away when she undresses, and when he does it's because he's busy tugging off his own shirt.]