"I'm glad to hear that. I was concerned for just a little moment of time. I mean, you are terrifying, after all. So I'd hate to be on your bad side." He was echoing sentiments from their earlier conversation, keeping the teasing tone in his voice even as he got close enough where he could have so very easily kissed her.
But didn't. Because the last thing he needed was to alienate more people, and Kitty was important to him.