"I think so, yes. I don't know what else I'd be good at--most other jobs we have take a lot of training, and I'm too old to go for training again. I'd probably be best off doing what I already know."

And maybe, just maybe, if he tries very hard, he'll be able to develop proper healing powers. It's not likely, with how his other powers have been fading, but if he can only find the answer... he still has hope.