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You're depriving yourself.

In an effort to lose weight, you cut out grains and dairy—and are definitely staying away from sugar of any kind. Depriving yourself though dieting and eating too few calories sets you up to seriously overeat, and even binge. "You may lose weight in the beginning, but your body will fight back with hunger and cravings because it's in survival mode," says Harari. "Eating drastically fewer calories isn't the best way to go about losing weight," she adds. You'll know it's a dieting problem (and not a willpower one) if you're following a fad diet, cutting out entire food groups (unless medically necessary) or restricting your favorite foods completely. Mindful eating—listening to your body and honoring your hunger cues—is key to building a healthy relationship with food that fuels your body and prevents deprivation.