Michael Voris begins his discussion of marriage and communion by looking at the sacrament of Marriage — its permanence, its indissolubility and its effects.
Catholic Encyclopedia: Sacraments
Fr. Hardon Archives: The Sacraments, Divine Channels of Grace
Fr. Hardon Archives: Sacrament of Matrimony
Encyclopedia of Catholic Doctrine: The Goods of Marriage
Gaudium et Spes