evidence: There was hence large agreement that opening the institution of marriage to same-sex couples "signals clearly that same-sex couple relationships should be treated with fairness and dignity."139 [...] [S]i impone invece la risposta affermativa sia perché il diritto a contrarre matrimonio appartiene al novero dei diritti fondamentali, sia perché opinare diversamente comporterebbe negare il rispetto della dignità della persona e delle sue scelte di vita. [...] [T]o fully implement the rights granted under Article 2 and Article 3 of Directive 2004/38/EC not only to different sex spouses, but also to the registered partner, member of the household and the partner, including same-sex couples recognized by a Member State, irrespective of nationality and without prejudice to their non-recognition in civil law by another Member State, on the basis of the principles of mutual recognition, equality, non-discrimination, dignity, and private and family life.