Oh, look, there was a smile.That was nice. "Sometimes," came the reply, the Doctor flipping his hair out of his eyes as he did so. "Sometimes I just run around." Of course, there was always a lot of running whenever he was involved. Part of it was because he liked it so much, really. Even when running wasn't needed, he sometimes did it anyway, just for the rush. The exercise didn't hurt, either.

"Oh, yeah! Very busy. A lot of universes to save, a wedding to plan, biscuits to make. You?"