He gives her a little frown at her apologizing for not dieing, because that kind of bothered him. If it was a joke, he didn't find it funny. Human lives were quite short enough.

Cleaning her wounds out and re-bandaging them with cream to prevent infection seems to go well enough, but he pauses when it comes to do more than her arms and legs. Humans were odd about having to take their clothes off, but if she was injured there...

He pauses then points to the water, cloths and cream, then to the covered part of her body in an attempt to tell her to clean and care for anything he couldn't see. If she got the idea, he'd vacate the room for a little while to give her some privacy.