This is the main reason why we are expected to fast: to discipline our physical appetites in order to concentrate on the spiritual realm. Rather than being satiated and dull as the result of too much food and drink, fasting makes our senses sharper and we become more aware of the spiritual realm.
Put very simply Jesus commands us to fast and pray. The saints take
fasting seriously and the church commands us to make fasting part of our life. Why not take up this discipline with a new intention. The amazing thing you will discover is not only does it help you physically,