Step-by-step explanation:
Your body becomes lethargic. You start feeling that you are always sick and lack energy to do anything, specially when it comes to moving your body.You start getting all sorts of digestive diseases from acid reflux to bad digestion and your metabolism gets really slow.Your body starts feeling like a body of an old person. Your core becomes weak, you loose all the muscle tone, your flat stomach starts turning into a bulging belly.You start eating too much junk food to make your self feel happy,Since you do not exercise.