Severus tried to repress both a smile and a snigger. Vicious little thing, wasn't she? Though he couldn't exactly blame her. A small portion of the snigger still managed to escape, even if he fended off the smile by biting the insides of his lips.
He cleared his throat as a cover, however, and shook his head. "Be that as it may," he began, and then shrugged slightly. "Even if it feels stupid, I doubt there's a single person here or on the old island who has not -- at some point -- wished for someone they knew before to come here and help out." He raised an eyebrow and added, "Even an old man like me."