[A scalp massage seems appropriate given there's a less snarky and more pleased sound in reply. As much as he's enjoying making fun of Dick and being difficult, the gesture genuinely feels nice. It's why it takes him a few moments to respond.]

Champagne huh. Well excuse me...[Nope. Back to snark but also wow sometimes he forgets that Dick has definitely lived some kind of life. He hasn't put together exactly that he's super rich but. The implication is maybe there.

But he also reaches down to pat his arm.] I'm expecting it, yeah. You're the one letting me do this, by the way, so all of my actions are not entirely my fault.