No. No, it never was. It never could be. He'd talk about it later, and later wasn't now and that was---it was all circular, all a way to keep himself from having to explain it.

The Doctor followed Jack's instruction, diving under the water and swimming forward. 100 feet. 100 feet. The water kicked up a current, feeling rough and wild underneath, while the surface was still smooth and only broken by himself and Jack.

"Where do these waters head out to?" he called back.