Marriage is very popular among U.S. adults, in part because it does offer many rewards that unmarried people don't enjoy. Marriage has become socially controversial in part because of the intense pol...Marriage is very popular among U.S. adults, in part because it does offer many rewards that unmarried people don't enjoy. Marriage has become socially controversial in part because of the intense political efforts to legalize marriage for same-sex couples. Regardless of your moral position on the issue of same-sex marriage, you can see the political quest for it as an indicator of just how rewarding it is to be legally a “married couple.”