He's Fire And Ice And Rage

The Doctor carefully laid the boy back down to the ground. He double checked the boy's pulse. Slow and even. Good, the Master was thorough. He imagined the boy would be asleep a long while. His eyes flicked over to Roy. He held nothing but contempt for Roy's actions, but he wished---there had to have been another way, he thought. But it was too late, now. No way to go back and change things. If there were, the Doctor would've done it a long, long time ago.

"How long've we got?" he asked, getting back to his feet. "Before he wakes up?"