2. Restrict calories for more than 1 week. No matter how moderate your calorie restriction, it won’t take the body long to figure out that you’re eating fewer calories than it’s used to getting on a daily basis. The result? Slowed fat loss and the dreaded fat loss plateau. Not only do fat loss plateaus suck from a results standpoint, but they’re incredibly disheartening psychologically and cause many people to give up on diets from the lack of progress. I mean, who wants to sacrifice for no reward? Not me.