[He glances down at himself, as though not sure what she's reacting so strongly to, then raises his eyes to regard her resignedly.]

Just because I'm the manager of your therapy doesn't mean I'm free from the effects of your emotional trauma. It shows on me as this deterioration, just as it reduces the rest of our surroundings to a state of disrepair.

[Feeling traces of the acid on him, he leans over the sink again and splashes some more water on his back before retrieving his shirt, wetting it and squeezing it out. It'll be cold and clingy to put back on, but it isn't as though he has anything to change into.]