"The matrimonial covenant, by which a man and a woman establish between themselves a partnership of the whole of life, is by its nature ordered toward the good of the spouses and the procreation and education of offspring; this covenant between baptized persons has been raised by Christ the Lord to the dignity of a sacrament." - Catechism of the Catholic Church
Are there any recommended books on marriage?
Yes, there are many great books that will help Catholics build strong relationships with each other, and with Christ. Here are a few that we recommend:
Catholic Truths for Our Children Written by a parent, for parents, Catholic Truths for Our Children uses compelling arguments, Scripture, and personal experience to guide parents to fully understand and embrace their Faith. It is excellent reading for anyone concerned about how to pass on their Faith to their children.