What?

Of course her handlers know that. There is not the slightest suggestion that there is any component in their Shadow training program for deflowering virgins. Recall how her teacher slapped her because of her feelings for her male friend, Spencer. Shadow training discourages such feelings, while coitus can encourage them. Shadow training creates agents who are, like Roy Batty in Blade Runner, optimally self-sufficient. Her handlers on the other side knew that she would find a way to break herself in.

The tougher issue, on which I am happy to suspend disbelief is: I have never had two women who make love in the same way. (I am told that we men are much more alike.) Perhaps the truth is that, even if the Shadow WERE different from the original and her fiancé noticed it, he would not care. He's getting laid, nonetheless.