The Biggest Diet Mistake Celeb Trainer Gunnar Peterson Says People Make Too Often - POPSUGAR

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The Biggest Diet Mistake Celeb Trainer Gunnar Peterson Says People Make Too Often POPSUGAR We had the chance to chat with him about the biggest mistake he sees people make in their diet when they're trying to lose weight. His answer was pretty simple. "Probably the biggest mistake is that they eat too little too soon," Gunnar told POPSUGAR.