[It's fine, he actually responds best to people who challenge him (respectfully, at least). And he has a sense of humor, despite how he seems on the surface. But Sakamoto is already on the receiving end of that rapier wit, so he'll surely get it.]

It's nearly crystal clear. I spent a good deal of time trying to rectify someone else's sins that conveniently became my own.

[Vague, but true.]

It was exhausting. Call it a bad habit, taking certain lost causes on. But that's just the Shinsengumi in your eyes, right?

[He sips his sake again, and looks mildly almost wistful.]

While there are people I'll miss, this opportunity can't be looked down on at all. I plan to take full advantage of it, once I find my foothold. Somehow, for your sake, I hope you're making the most of it.