There are three primary issues driving your cravings and urges to eat.. The first issue is simple hunger. Your body needs food. At certain times this need brings forth a feeling of hunger, and the urge to eat something. As I said before, if the only time you ate was when your body needed food, you would never overeat and become overweight.
Cover art photo provided by Nahil Naseer on Unsplash: https://unsplash.com/@nahilnaseer