A “succession of faces” does not rival the exclusive union of one man and one woman, a new document approved by the Pope says The Vatican has warned Catholics against polygamy, insisting that real marriage is a lifelong and exclusive union of one man and one woman. In a new doctrinal note backing monogamy signed by Pope Leo XIV and released on Tuesday, the Vatican rejected both polygamy and polyamory, saying these practices rely on “the illusion that the intensity of the relationship can be