It was something of a surprise to see the Doctor at the dance - perhaps less of a surprise with this regeneration than the previous one, but then he reminded himself that he didn't really know this one very well. He'd only really spent time with him during one crisis or another; hadn't spent weeks of downtime with him on the TARDIS as he had his predecessor.
So it was with a faintly quizzical smile that he acknowledged the Doctor's approach. "A while," he nodded, taking a sip of his own much-needed cider. "Long enough to need a break from dancing! You?"