“He answers that they are one and the same, Emily and Maddison, and if they are not one and the same, nevertheless he loves them both. But that is not an adequate justification for such an error as the one of which he’s being accused. On the twelfth step, with only the landing ahead, the voice within his heart asks, “Is it not a betrayal of your Emily, yet another betrayal, to mistake Maddison for her, leave her among the dead, and embrace her imposter, all in the interest of your own happiness?””