Catechism of the Catholic Church §371 — excerpt
God created man and woman together and willed each for the other. the Word of God gives us to understand this through various features of the sacred text.
This translation is under copyright, so only the cited words are quoted here. Follow the link for the full text. Translation: English translation of the Catechism of the Catholic Church, 2nd ed. (Libreria Editrice Vaticana), as posted at vatican.va.