eli5: why is it so difficult to go a week without eating when we have 10s of thousands of calories worth of body fat?

Question

eli5: why is it so difficult to go a week without eating when we have 10s of thousands of calories worth of body fat?

In: 89

Answer 1

A nice reminder that all of us don’t have that much fat. I hit 31 this year, still underweight, still can’t gain weight no matter what I do. Docs said “the level of fat in your body is so low that it can be dangerous”. I didn’t choose it, shit just happens.

Guess I’d be among the first to die if a famine comes.