"I don't mean...." River faltered for a moment, her heart sinking. "I don't mean take my body over his...I don't hold that sort of value. I'm well aware of that. But that body you're using is precious to me, and you're the first of your kind, Mr Clever. A Time Lord cyberplanner - Advanced software in a complicated casing. If you aren't careful, you can still be....deleted."

She let the word drip from her lips with disdain. But was it for him or herself?

"You could use a bodyguard."