"Had that same hypothesis myself," the Doctor murmured, which was as close as he would get to admitting he wanted to be near Brax more than anyone else right then.

Even if he was more likely to mock his problems than sympathise with them...maybe that was what he needed. He didn't know. "It's the Master," he admitted finally. "He's always been hot and cold, but..." he trailed off, not really knowing where to start.