I gathered. [He should be surprised or something. These things he's half-learning should seem out of place and appalling but they just don't for some reason.]

He and I didn't talk overmuch about our respective pasts. There were things we never would have come to understand in that regard. [Mostly "time period" kinds of things, but...well, Walter never even considered talking to Leon about what shooting someone felt like, for example. Even without spoilers involved.] And there were stories that weren't ours to tell, I imagine. [Issachar, for him.] We talked more about the future. How to live in this world, in a sense. We found our situations to have more in common than would be expected.