Increasing faith can reduce unfaithfulness in romantic relationships.
Love is one of the most profound emotions known to human beings. There are many kinds of love, but most people seek its expression in a romantic relationship with a compatible partner. For some, romantic relationships are the most meaningful element of life, providing a source of deep fulfillment.
Though we can't prove the existence of one (or many) god(s), we can provide evidence for the power of religion. For good or for evil, faith factors into our everyday functioning: We've evolved to believe.