I have been on diets that were supervised by doctors, that were carefully supervised where I lost weight.
Faith is the virtue by which, clinging-to the faithfulness of God, we lean upon him, so that we may obtain what he gives to us.
I must stress here the point that I appreciate clarity, order, meaning, structure, rationality: they are necessary to whatever provisional stability we have, and they can be the agents of gradual and successful change.