[she does, in fact, get treated to the sound of running water, of Bruce getting into it when the bath finishes filling, and when she knocks on the door, he takes a deep breath and calls back:] Well, I didn't try climbing out the window. I'd say that's a good start. [he's teasing, trying to diffuse some of his tension]

Seriously, though, uh -- if you wanna come in ... [he's ready for her. maybe]