They could probably compare both. Mental scars, physical scars, defence mechanisms, general issues. It'd definitely be a way to pass a lot of time. He looked at her when she spoke and gave him a short smile... this was usually where he'd say something like 'save it, I'm just doing this to get something I want' which was usually a half truth but now that he had most of what he needed here... it was harder to make that excuse.

So he nodded and looked away in silence, and in a moment of rare truth-telling he spoke again. "The world has enough pain."

He looked toward her again, "no point in adding to it."