You seem to be under the impression that fat stored in your body comes only from fat you eat, and that carbs only allow that to happen. In fact, your liver turns high carbs into fat anyway, so you shouldn't consider a low-fat, high-carb meal as ACTUALLY low in fat.
You should always include fat, because it slows digestion, fills you up, and dulls the insulin spike.
Zone diet on and off for several years....worked, but too much focus on exact meal composition
Primal since July 2010...skinniest I've ever been and the least stressed about food