He tips his head to concede the point. The doctor here has obviously done far more research and he's not about to pretend otherwise. He really had wanted to die though, before. Avenge his family and duck out before he had to live with the consequences. Now that he seems to have neatly skipped over the consequence part, though, the rest is just... dead space he has to fill.

"Fuck if I know. End up doing things just to pass the time." But that's not really living, is it?