The Doctor got up, frankly relieved to get some space. He knew that to Koschei this was normal, but the last time the Master had willingly come so close to him it was to hit him. Beat him into the ground, he believed the stated purpose had been. He got a notepad and a pan out of the desk drawer, throwing both to the Master so he could catch it. He had years, centuries of experience of evading questions. He could do this.

"I'd rather not risk anything that could damage your mind further, yeah? Let's just figure this out as fast as possible."