Slowly Swapping: Rationalization

He got a blank look from Karyn. "I still don't see anything different," she told him. "Every time I tell you, you don't see it," he told her a bit shrilly. "How can you not see that there's nothing left to swap? I mean...you're wearing my watch, using my cell phone...and...I don't even see anything old Karyn." Karyn looked at him, her voice getting deeper. "We tried to fix this...I'm not sure what else we can do," she said. "You may be stuck like this," she said, fretting. "This is why I'm thinking of hiding the stone away...it is too dangerous." "You can't," Jon insisted. "Not while I'm stuck like this."