Regis's eyes widened very slightly, mostly because he had most of his drink still and he was not planning on getting very drunk, for very good reasons, but... There were things that were more important. And he could definitely handle this much.

"Gimme a moment."

He still didn't gulp it all at once, but it was drunk sooner rather than later.

"I'm done. All yours." And more than ever determined to not fuck up tonight. (Or ever, though he knew that one wasn't possible.)