[she keeps laughing, pulling his hands off her waist to put them on her breasts for a moment.]

You'll get an excellent reward. Better than this. I promise.

[there's a bit of disappointment that he's drunk, though, and now it's her turn to be responsible.]

But... I don't want to do anything if you're not mostly sober. Or at least halfway. What if you wouldn't do this sober, hmm?