Maybe you'll talk yourself out of it.

[...Okay, no, he doesn't actually think that.]

I won't tell him what you're planning, if that's what you're worried about. [For one thing, Chikusa hasn't told him who it is, and for another, those defenses don't correlate to anyone he recognizes.]

You won't let me try [—to stop him, that is—], so I'm doing the next best thing.