“For this reason a man shall leave his father and his mother and be joined to his wife, and the two shall become one flesh.” This is a great mystery, but I speak in reference to Christ and the church. (Ephesians 5:31-32)
The Sacrament of Matrimony
“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.”