"There will be a great demand for Mind Healing, for sure," he says with a sigh. "A lot harder to mend than a broken leg, isn't it? But tell me about that bloke, Hermione. What dance are you taking him to, huh?"

He knows very well that she's flirting with him gently, but he isn't sure quite how to phrase a similar hypothetical flirtatious suggestion in return, so playing coy it is. He hopes she'll guess, from his smile, that he wants her to carry on.