This case study is about being healthy. Obesity is an important risk factor for many diseases, particularly during the tragic period of 2020 to 2022 because of COVID-19.It is not research with a sample of one. It is a case study for success.The authors explain how a subject was able to lose almost 100 pounds in 470 days. What is more important is that he was able to keep it off for four years and hopefully for the rest of his life. It is a simple and effective model. "It is the food!"