"Oh, I can eat..." Essery laughed, as if she were sharing a secret, then stood when he agreed and started from the table. No time to let him second guess, either. And no time to make herself think what it might look like if someone saw the Headmaster going into her rooms with her, this late. "I'll need to go and check on Hufflepuff, first, of course," she pointed out. Duties and all.