Boy, she is really selling this to him. He did a thing that one time a thousand years ago, so he's probably still great at it. Ianto used to shoot aliens with handguns and run ten miles per hour four years ago - that doesn't mean he'd be good at either of those things now. And all the people who run slower than him doesn't mean he's going any faster.

"People change," he counters, cutting his slice with the edge of his fork and stabbing at the piece. Especially over centuries. "Susan, yeah?" He contemplates as he chews. Wasn't there someone else in there too? Andrew? Colin? Not that the Doctor was much involved in his great-grandson's life. "How did that work out for him?" he asks, staring down at his pie to avoid her gaze.