Even worse, it takes less energy for your body to maintain a pound of fat than a pound of muscle. So if you're losing muscle mass and gaining fat, it takes less and less food to maintain your weight. This makes it that much harder to even keep that number on the scale steady, much less actually build the body you want.Xtreme Antler Clearly, you need to take a different approach to this problem. Your goal has to be to burn fat, rather than lose weight. Why? When you look at people with 6 pack abs, you're looking at someone who has a very low amount of body fat. No matter how much they work out, no matter how fit they are, you're not going to see the kind of muscle definition we're talking about unless they have got their body fat levels very low.