"Another you?" said the disembodied voice, teeth moving up and down, ah-n-oth-er, open close open. "Never. There can only be one you. Unless you're admitting you're not you. Which you're not." He seemed serious now, not mocking, but he hadn't made anything else appear except the teeth--maybe he'd forgotten. They bobbed up and down as he climbed the stairs. It was like being haunted by one of those horrible wind-up toys that chatter.