Well...

Clara at least has the capacity to look sheepish before taking her shot. "In my defense, I'd been running on no sleep for two days, caffeine, and not much else. Finals week doesn't count. It was just a fling anyway, if that makes it better?"

She looks at Caitlyn, cringing a little even while she laughs in slight embarrassment. "I promise, I'm less of an arse than that. Most of the time."