Quote:
Originally Posted by Lasereth
If I go back up to 2,000 calories or higher, I gain weight almost instantly. If I eat 2500 calories per day, I gain 10 pounds in a single week, and we're not talking muscle, we're talking raw fat in my face and stomach.
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Weight gain that fast is probably water. The body just doesn't put on actual fat that fast.
Back when you were testing your caloric input against weight loss, you obviously had quite a slow metabolism. Exercise will increase your metabolic rate over time, so your "weight loss" calorie level may now be too low for your now-faster metabolism. Does that make sense? In other words, it's possible that your level of activity has reset your metabolic set-point to the extent that you should now be eating more.