Why is losing weight so hard? If the concept of weight loss is so simple—burn more calories than you eat— then why isn’t everybody a healthy weight? Although the concept of weight loss is simple—calories in/calories out—it isn’t easy to implement in practice. Many people lack the motivation or willpower to eat less food, to pass up that donut, or to pay attention to the number of calories they’re putting in their body. Here is how John Walker explains the struggle of weight loss in his book The Hacker’s Diet.
John Walker: Why Is Losing Weight So Hard?










