Really, it didn't seem to matter very much. If he stayed where he was, he was going to die. If he escaped... well, the town was beyond repair. Perhaps in other circumstances such a thought would have made him more tough on the Master, but it really didn't seem worth it. He would do whatever he wanted... and truthfully, the Doctor couldn't bear the silence much longer. He wanted to ask the Master for help, but even now he couldn't quite bring himself to ask.