Fasting is meant to help your spirit man's metabolic thresholds adapt differently to different paces. It suppresses the fleshes desires by allowing the spirit to gain dominion and manisfest. 'Fast'ing is a process of quickening answers to prayers, it 'fast'tens your spiritual mandate as well as the launch pad of God's mission in the world, it clears the landing pad for God to beget your now unfleshful spirit for spirit begets spirit (that's why things move when you fast because your flesh has been set aside and God now sees your spirit). It is like car service, water to a panting deer and an assist for a goal in football. Change the pace to charge up the kingdom of God.