Harry sighed, rubbing the back of his neck as he looked down at Hermione from a rather unfamiliar height. He shifted awkwardly from foot to foot, looking tense. "No, I don't," he responded. "I have no idea." He seized his coffee cup and downed the rest of the contents.
"I don't know what it is. I mean, it's not.... I mean, maybe my magic is acting funny, or something. I mean, it's not like it hasn't done before." He shrugged, though he looked a little nervous.
Finally, he glanced at his watch and sighed. "Look, I've got to go back to work. I just thought I'd tell you. Thought maybe if anyone could figure it out, it'd be you."