Pro: 'Domestic partnerships' are common, and the people in them are most often caring and committed to their relationships.
Con: There are difficulties in proving the existence of a domestic partnership.
Con: Recognition of domestic partnerships will reduce the respect we give to marriage and, in the extreme case, hasten the disintegration of society.
Con: Laws regarding domestic partnerships often require detailed statements to confirm the existence of the relationships, and these statements may compromise the couple's right to privacy.