Overweight • 41 main source of fuel to be your body fat. You don't need to worry about your metabolism slowing down or your inability to stay on protocol, because you are not restricting all foods. You are eliminating sugar and flour and then using the power of lowering insulin to utilize fat for fuel. Fat adaptation makes your body efficient at the very thing you want it to be efficient at – fat burning. Once you have planned your protocol with your prefrontal cortex, your next job is to simply follow it no matter what. In the beginning this will be so much easier if you understand that the effects you will feel are temporary and expected. We suggest our clients do it fast and get it over with as soon as possible. It's not going to be like past diets where the withdrawal is constant. Because we are eliminating sugar and flour and not just reducing it, you will be free from the effects of withdrawal in as little as two weeks. Anyone who tells you weight loss is easy is most likely insulin sensitive.