The Doctor shook his head slowly, the fire slowly dying from his eyes and leaving behind just an intense weariness. "I was. Well, not joking exactly. I couldn't do that even to him. Just." He sighed. "Trying to think of somewhere that might hold him.
"As for you," he added sharply to the Master, "you just stay right where you are, or I really will shoot you again. I'm really not kidding around here, Master."