Christianity (or at least the bible) teaches that a healthy sex life is critical to a healthy marriage and that failure to maintain a healthy sex life leads people to sin and makes them worse people


>3The husband should fulfill his marital duty to his wife, and likewise the wife to her husband. 4The wife does not have authority over her own body, but the husband. Likewise the husband does not have authority over his own body, but the wife. 5Do not deprive each other, except by mutual consent and for a time, so you may devote yourselves to prayer. Then come together again, so that Satan will not tempt you through your lack of self-control.…