"Him or the rest of the planet, Jack. And I know you'd have put yourself in his place if you could."

There was no doubt in the Doctor's voice. He'd seen too much with Jack, he knew him too well (or, at least, he liked to think he did.) Sometimes the hardest decisions were the ones that had to be made, and sometimes they were the only ones who could make them.

"They don't want to make it easy for you," he said. "And I know it won't be the last we'll see of them either. Just...don't let them beat you. We're stronger than that."