Same thing that would happen if someone proved in a lab they’re filling a cup while removing more water than what they’re putting in. I.e. it won’t happen.
In reality the body is a lot more complex than a cup of water, and it’s possible you gain weight on calories deficit by accumulating water or feces. But you WILL be losing fat and/or muscle, otherwise we will use you as an infinite source of energy.
Same thing that would happen if someone proved in a lab they’re filling a cup while removing more water than what they’re putting in. I.e. it won’t happen.
In reality the body is a lot more complex than a cup of water, and it’s possible you gain weight on calories deficit by accumulating water or feces. But you WILL be losing fat and/or muscle, otherwise we will use you as an infinite source of energy.