[Bruce listens, and feels justified in his thinking that there was a lot more to Jack than he'd been privy to, before. This is confirmation, a solidifying of his assumption that he shouldn't assume the exterior was everything that was going on. He's sure it wasn't deceptive, or manipulative-- Jack was almost painfully honest, to his reckoning-- but it wasn't the whole story. It's a strategy Bruce himself employs.

He nurses his tea as he listens, turning that quiet patience on this, now.] And it's not always a good thing, [he says with understanding.] Sometimes it's just-- painful. It'll never be the same. You can't get that back.

I know.

[He doesn't try to mitigate it or make it better. Bruce doesn't have any comforting words, not for himself or for anyone else. But there is a comfort somewhere in accepting it as it is, however painful.]