Cardinal Joseph Ratzinger - 7. The Church, obedient to the Lord who founded her and gave to her the sacramental life, celebrates the divine plan of the loving and live-giving union of men and women in the sacrament of marriage. It is only in the marital relationship that the use of the sexual faculty can be morally good. A person engaging in homosexual behaviour therefore acts immorally... To chose someone of the same sex for one’s sexual activity is to annul the rich symbolism and meaning, not to mention the goals, of the Creator’s sexual design. Homosexual activity is not a complementary union, able to transmit life...