Ghost considers that, and after a moment says, "One, that's fucked. Two, fucking up just your episodic memory while leaving your procedural intact is ahead of your arm on the neuroscience technology pre-turn-of-the-millennia Russia shouldn't have scale." He assumes he doesn't have to explain exactly how he knows that, given how much he just explained about Morgan and poorly considered neuroscience. "Three, that's fucked. Worth restating."