"She doesn't seem to enjoy his work, she's said she looks forward to not doing it with him anymore, and she's making quite a few noises along the lines of 'disengage, I'm movin' on.'"

It actually seems to me like she's getting very engaged in his work (picked up so much investigator stuff and putting it into action and admitting she's drawn to it, though when pressed for a response she'll say of course she doesn't like having to regularly see brutalized corpses), but is trying to remain professional by talking about her responsibilities toward him and the next steps in his recovery beyond her.