"Like you were going to stop us," Jack says, grinning.

Maybe if it were Jack. Maybe, after the things they'd canvassed over that cold plate of chips. With the unease that starts up between them, catching them at moments when they're not careful. But not Rose. The Doctor wouldn't deprive Rose of the chance for a new world.

And he doesn't think he'd really have deprived Jack of it, either.

This is good. Beyond good. Beyond words. This is what he's longed for, deep in his soul, for that whole time he'd been stranded on Earth.