Why are calories different for people?

Why is it I have two friends that eat 10,000 calories a day and I eat 2000 or less and I weigh more than both if them put together? This sucks being forever on a diet just to be overweight anyway.

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NorthernRoses · 26-30, F

Metabolism and/or burning calories.

It might feel like it's going super slow, but as long as you're at a deficit you will go down in weight. 2000 is a good number, keep it up!