Sirius carefully led her into the opening steps of the waltz, gently holding her gloves hands. He started, and lost his rhythm for a second, at her snap. Luckily, she recovered with something that felt more like a joke — he grinned cheekily back at her. It was better to pretend that she had never snapped.

"Of course I'm an expert on waltzing," Sirius said, over-confident. "That's what we do at Quidditch practice, after all." (Now he was just poking fun.)