"Many couples who have left unnatural methods of birth control have reported an improved marriage relationship with NFP. This has been confirmed by scientific social studies and by informal surveys showing an extremely low divorce rate among couples practicing NFP. Improved communication, ab-sence of feelings of being used, development of non-genital courtship, peace of conscience, and no fear of the dangerous effects of some unnatural methods have all been mentioned as contributing to the improved relationship. In addition, the practice of NFP helps to develop the same character strengths that are necessary for marital fidelity and life-long marriage."