"Of course he didn't," the Doctor said, gaze focused somewhere beyond Amy, beyond the boundaries of the kitchen. "I'd stopped traveling with people, actually. It never seemed to go well. Neither did traveling alone. Still not sure which I prefer. I suppose it's best I have someone, though. At least that way I don't get into as much trouble. Sometimes, I need somebody to get in my way. I'm old. Very old. I don't always have the energy to think about everybody else."