"You could have told someone. In the early stages... we could have tried. Or at least gauged how far the conversion had gone."

Whether they would or not, Jack doesn't know. But Lisa had looked more human than Cyberwoman - even acted it, very briefly.

"It's amazing how often someone from Torchwood tries to deal with something beyond them all alone. It's hardly ever for the best."

He lost Suzie to something that wasn't even sentient. He nearly lost Ianto yesterday, to say nothing of the rest of the world. He might still lose Ianto.