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VATICAN CITY, VATICAN - OCTOBER 07: Argentinian cardinal Leonardo Sandri leaves the Synod Hall at the end of a session of the Synod on the themes of family on October 7, 2014 in Vatican City, Vatican. In his 'Report prior to discussion' presented Tuesday morning to Synod Fathers and Fraternal delegates, the relator general Cardinal Peter Erdo, pointed to the 'privatization of love' as the greatest challenge to the family. (Photo by Franco Origlia/Getty Images)

VATICAN CITY, VATICAN - OCTOBER 07:  Argentinian cardinal Leonardo Sandri leaves the Synod Hall at the end of a session of the Synod on the themes of family on October 7, 2014 in Vatican City, Vatican. In his 'Report prior to discussion' presented Tuesday morning to Synod Fathers and Fraternal delegates, the relator general Cardinal Peter Erdo,  pointed to the 'privatization of love' as the greatest challenge to the family.  (Photo by Franco Origlia/Getty Images)