Laughing, Cass wrapped his arm around her waist, pulling her flush against him. 'I'll take you up on that, I can assure you,' he said with a wink. And thank you, it's good to have ones confidence reassured every now and then,' he added with another laugh, though that area was one where he had no insecurities.
Moving them both out onto the dance floor, he held her close, making sure to be clear in his signals on where to move to give her an easier time of following him.
On her description of the man, he raised an eyebrow, not hiding his amusement. 'If you hadn't met him before I'd say you'd run into Miles, but as you have, and Higgs isn't here, I wouldn't even begin to know who would be arrogant, cocky and a star Quidditch player,' he said with a smirk. 'Unless you mean Oliver Wood - he's arrogant enough for ten, or at least Miles keep saying so' he said with a laugh.