Biblical Revelation is, in fact, above all the expression of a story of love, the story of the alliance between God and men. That is why the story of love and of the union between a man and a woman in the alliance of matrimony was taken by God as a symbol of the story of salvation. Due to this, the union of life and love, based on the marriage between a man and a woman, which constitutes family, represents an irreplaceable good for the entire society, which must not be confused with nor likened to other kinds of unions.
