No question about it, burning fat is a 24/7 endeavor. To keep the fires hot, you need to eat every 2-3 hours throughout the day. Not only that, but you must choose the right foods in the right amounts to keep your metabolism revved up so your six-pack will be ready for its close-up. The way we see it, there are 12 fundamentals - laws, if you will - that are all you need to shed that unwanted blubber from your midsection and elsewhere. Most of them are nutrition-driven, but training comes into play as well. Your mass-gaining phase is over for the time being; now it's time to get lean. These 12 laws of fat-burning will help get you there.