[The gesture surprises him a bit, but given everything that's transpired, he allows it. Especially when it's followed by those words.]

Technically I've already made the promise. [There's a bit of a wry grin as he refers back to their little talk after Trunks had sent him that letter. Granted it was when he was still a kid. So with that in mind, he reaches up with his free hand to ruffle his hair a bit.] But I'll reaffirm it right now. If I decide to do anything crazy, I'll let you know.

Plus I already told you about one possible crazy plan.

[Even if it had been half a joke, he really is considering it just to see what happens. Given how anti-Otherworlders the group seems, he doesn't expect much, but...hey, never know what might slip if he eggs them on enough.]