The fact "In the event "Nathan was very smart.  Nathan thought of many things.", something that changed was The chance of something deceiving Nathan decreased." is illustrated with the story:1. Nathan thought Santa Claus existed2. Nathan studied books about the North Pole3. Nathan was smart about the North Pole4. Nathan learned that Santa Claus doesn't exist5. Nathan told other kids that there's no Santa Claus. They kicked his ass.