Hermione gulped and nodded wordlessly, her heart inexplicably lodged in her throat – perhaps from the embarrassment that was still roaring through her, reignited by Draco's teasing. He may have just been playing along with Karl, but it was not fair. But she collected herself and tucked her arm through Malfoy's at his offer, letting him escort her out of the Hall as if he was some kind of old-fashioned gentleman, leaving a handful of curious students and an undignifiedly giggling Care of Magical Creatures professor behind.