As with many creature on this earth, we need to eat to survive. And we should eat to allow our energy levels to maintain our daily living. But we must not gorge our way through more than enough.
But with many Humans having eating disorders like Bohemia and Anorexia. Each eats and then does exercise to get rid of the food they eat, but Bohemia’s, eat and throw up.
This is not what we want, so we should only eat enough to get us through the day.
