What God Has Joined Together is a Catholic marriage preparation and formation guide designed to help couples engage the most important conversations they will face— before vows are exchanged and throughout married life. Marriage in the Catholic understanding is not merely a personal commitment or legal arrangement. It is a sacrament , a lifelong covenant ordered toward mutual sanctification, openness to life, and faithful communion with Christ and His Church. Yet many couples enter marriage without ever having been guided through the deeper questions that this vocation demands. This book exists to change that. Structured as a series of focused questions, reflections, and Scripture-based discussions, What God Has Joined Together invites couples to slow down and think carefully—together—about faith, authority, conscience, the sacraments, moral life, prayer, family, suffering, forgiveness, and perseverance. Rather than offering shallow checklists or generic advice, it encourages honest conversation grounded firmly in Catholic teaching and lived Christian realism. This book is ideal for: • Engaged Catholic couples preparing for the Sacrament of Matrimony • Married couples seeking renewal and deeper unity • Marriage preparation programs, RCIA contexts, and parish formation • Couples navigating difficult or neglected conversations within a Catholic framework Each section is designed to be discussed prayerfully and intentionally, with Scripture passages included for reflection and dialogue. The goal is not simply agreement, but shared understanding, trust, and formation—so that marriage is built on something deeper than sentiment or assumption. In a culture that often treats marriage as provisional, subjective, or self-defined, What God Has Joined Together calls couples back to the Church’s wisdom: that marriage is something received, protected, and lived faithfully by God's grace.