"Nah," the Doctor said as the console settled. "Miss me? How could you miss me? I'm the guy with two hearts and a great big blue box. I'm easy to find."

He turned and plastered a smile on his face. "And you won't be waiting a hundred and some odd years to see me again, right?"

Right?

But if Jack reconciled with Alice, he might want to stay. The Doctor would allow him that, of course. He'd give him all the space he needed. He wouldn't presume to--wouldn't think to--he just wouldn't cause any sort of problems for Jack.

He wouldn't cling. Even if he wanted to.

"Besides, knowing you, this won't take more than a few days at most."