[He understands why Mr. White's upset. If someone he cared about had done this for him - well, he'd probably react even worse. But there's a really fundamental difference between himself and Mr. White, and it's the reality that Jesse isn't important. Not to himself, not to his family, not to anyone. If his regeneration somehow couldn't get rid of cancer - or if it made the cancer even worse - then that would be okay.

Mr. White might be the only one who'd miss him. But he'll realize eventually, how this was the best choice. The only one, really.]

I - I can't undo it. God, Mr. White. I wouldn't even if I could. Listen -

[He used to shrink back in moments like these, but it's been a while and he's changed, so he steps forward instead to take Mr. White by the shoulders. Kind of like how Mr. White always does with Jesse when he's the one freaking out.]

I thought about this a lot. I been thinking about it every day since I got here. I'm sorry I didn't ask, but I knew - I knew you'd react...

[He wasn't sure, actually. After what Saul told him, he wasn't sure Mr. White would care at all.]

I'll be okay. I promise.