At the mention of his own nudity, one of Greg's eyebrows quirked, head tilting in a 'you don't fucking say' way at Jack. "Didn't think you were that drunk, mate. We'll see how it goes," He was, of course, joking. Mostly.
"And yeah, I'm much better at drinking my trouble away. Obviously," He raised his glass in a toast for Jack, before knocking half his glass back.