Klaus couldn't help the sudden delighted sound that came out of his mouth when Regulus initially called him sir, "We save that sort of talk after we've gotten to know one another a bit better, my dear." He teased grinning as Regulus then corrected himself.
"It is nice, isn't it?" He nodded, the motion made while he was still pressed head to head against Regulus, he hadn't had a chance for this in far too long, and though it certainly wasn't quite like the last dance he'd had, he enjoyed it all the same.