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 == Same-sex sources == 

 Here are some unsourced statements: 
 * When it does, an estimated 155 million people worldwide, or approximately 2.5% of the world's total population, will live in places where same-sex marriage exists. 
 * In China, especially in the southern province of Fujian where male love was especially cultivated, men would marry youths in elaborate ceremonies. 
 * In ancient Rome, the Emperor Nero is reported to have married, at different times, two other men in wedding ceremonies. 
 * Reform Judaism, the largest branch of Judaism outside Israel, allows religious weddings for same-sex couples within their synagogues, provided they are both adherents of the Jewish faith. 
 * In Alaska in 1998, a preliminary court ruling required state attorneys to demonstrate a compelling state interest for banning same-sex marriages 
 * Some writers have advanced the idea that the term ""marriage"" should be restricted to a religious context and that state and federal governments should not be involved in a religious rite. 
 * Some other people object to same-sex marriage on the grounds that the purpose of marriage is a procreative partnership and that the same-sex partnership is inherently sterile. 
 * Some opponents also claim that allowing same-sex marriage will blur other common law precedents and lead to the legalization of various other perceived undesirable marriages 

 In addition, if the references used a standard reference system, the article would be much closer to featured level. –   (bounties) "