On the fateful day that you reach 300 pounds you go and study with the masters and learn the art of sumo wrestling. You compete in many competitions and win 98% of them. But you've aquired a pretty large bill from the doctor and are not sure how you will ever pay it off.
You figure, I've mastered bonsai, why not sumo. You visit a doctor and are put on a diet plan to help you gain 300 pounds.