Arthur looks down at the hand on his knee, and if he weren't drunk he'd give her a 'no' and just be done with it. As it is, he is a bit drunk, and he has to contemplate it again, but he arrives at the same conclusion.

He gives her another glance up and down, as if considering, but his smile has faded into something far more sober than he feels. "I'm sorry, it's just not in the cards tonight."