Because they know when they are full and satisfied. They dont have Control over what they eat. But how much they eat.
Answer:
you are afraid of something
Explanation:
its physcologically proven that eye twitching is a sign that one knows that someone knows something bad is gonna happen and they are afraid to face it coz they think they are tough
Im guessing the answer is a because sometimes the air quality is not good for you to in hale
