The memories that Jack had only just been realising were real should have been easy to dismiss. But now Jack knew they were there, now Jack could see them, they were hard to ignore. And the more he thought about them, the less the false memories seem to settle at all.

He nodded, but it was hollow, and he felt hollow too.

It shouldn't matter so much, he thought. It shouldn't... but of course it did. Of course when they'd been-- But no, the timelines had been altered. It never happened.

But that was more than just them now. More than what they'd become. That was his whole life. His whole life where the Doctor had been so important.

"All of it," he said, mostly to himself, "everything that ever... it's all gone. Just like that."

He looked back up at the Doctor, addressing him again. "No, don't be. It's not your fault. It's not."

But he paused again and thought a little more. Remembered a little more.

"Do you want to see?"