Today’s world, with its increasing acceptance of premarital sex, presents unprecedented challenges to family life and marital relationships. Amidst this shifting landscape, empirical research has yielded a compelling insight: marriages that begin without premarital sex often prove more enduring and fulfilling. This finding resonates with the timeless wisdom of sexual morality taught by major religions, which continues to offer a guiding framework for achieving marital success. By investigating the relationship between premarital sex, marital satisfaction, and spiritual guidance, we can acquire a better understanding of what makes relationships succeed in the present world.