The corner of his mouth quirked up into something like a smirk. If she thought she felt old now, she had only to wait a while. The seventeen years he'd been at it had felt like thirty, and he was pretty sure they hadn't done his health any favors, either. "Our faculty is about as young as it's ever been, I think, although I suppose there may have been some similar turnover during the Plague. We're rather short on school marms." He could think of one or two he'd like to have back. "I doubt they'll age you as quickly as the Gryffindors." Or the Slytherins, squabbling little pests. But they weren't half as bad.