The practice of fasting has sacramental power, it is a means of grace by which we are able to more fully resist the sin of Adam. The sin of impatience. Reminding us of the inviolable principle that feasting only comes through fasting. That if we wish to partake of the full bounty that the Father is offering us, we must fast until we and the fruit of salvation are ripe enough for us to eat. So that when the Groom returns, he will find his bride and his nations adorned for the feast.