In the final homily of a twelve-part series on the Mass, Deacon Pat Hessel offers a rich and accessible summary of what makes the Mass the source and summit of the Christian life. Drawing on Scripture, tradition, and Bishop Robert Barron’s reflections, he walks the congregation through the flow of the liturgy—from the penitential rite to the final dismissal—not as a routine, but as a real encounter with the living Christ. He reminds us that we are not spectators but participants in a divine mystery, and that the Eucharist is truly the Body and Blood of Christ. His challenge is simple but profound: if we truly understood what happens at Mass, why would we ever want to stay away?