"Oh come now, you know I would rather spend my time with you over anyone else. Save for Madam Rosmerta. You think she'd ever take me up on a date?" He asked teasingly, knowing that particular schoolboy fantasy was one that a lot of other Hogwarts students had and was impossible.
Ruffling her hair again and getting it nice and messy, he teased, "Besides, we should get you back before your bedtime."