Answer:
Staying without food for some hours gives a response to the body and the individual feels it that something is not normal because the body starts to experience discomfort from within knowing fully well that that which is needed is lacking.
Food builds us and our immune system, fueling the body with required energy to function properly and live healthy. It boosts our body to fight toxins and sicknesses that might come in to work against health. The reason we feel totally rewarding after eating is because our body feels complete and fully active to function. Using the analogy of a vehicle without gas, it won't have the ability to start and move to anywhere not until gas is filled and once started it answers. This is how food does to our body and without it the required energy to function is lost. We are advised to feed well and also monitor things we eat to avoid getting into our system what will break it down instead of building it, so it is necessary we give ourselves the proper food so as to live a healthy life free from sicknesses.