Eric Roberts explains that skipping meals temporarily lowers your metabolic rate during that fasting window, but what matters for weight change is total daily calories, not how you spread them across meals. Eat whatever meal frequency helps you hit your calorie target.
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When you eat, your body has to burn calories digesting that food. So if you don't eat for a few hours, yes, your metabolism might be slower, but only during that time window. No matter how many meals you eat, your total daily calorie intake will determine your metabolism for that day. Oh, and nothing stores body fat except eating too many calories over an extended period of time, just like nothing loses body fat besides eating in a calorie deficit over time. So eat however many meals per day that works best for you, as long as you hit your total daily calorie goal. And to know what your calorie goal should be, click this link in my bio.