VATICAN CITY, VATICAN - FEBRUARY 14: Pope Francis attends a meeting with engaged couples from all over the world gathered today, on the feast of St. Valentine, in St. Peter's Square on February 14, 2014 in Vatican City, Vatican. During the event, organised by the Pontifical Council for the Family, Pope Francis emphasised that living together is 'an art, a patient, beautiful and fascinating journey' which can be summarized in three words: please, thank you and sorry. (Photo by Franco Origlia/Getty Images)
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