[The Master wants to shout at her, that he's had his since he was eight, that it can't possibly be that easy, that isn't how it works--and then Jack arrives and he's like a bucket of ice water. Possibly ironically. The Master gets a hold of himself and sits down.]

It's an experiment. That's all it is. An experiment. They've managed to transfer a sample of them from my head to Jenny's.

[Well. He hopes. That would mean that they're movable. That they can be taken out.]