Marriage and monogamy are not what they used to be, and today many couples are opting to start families before getting married, or deciding not to get married at all. At the same time, gay couples in states that recognize same-sex marriage are getting married in droves. Some people prefer non-monogamy and have relationships that include swinging and polyamory. The landscape of American marriage and relationships is changing, and a variety of family systems are developing and becoming more common. The Polyamorists Next Door introduces polyamorous families, in which people are free to pursue...

Although the debate over same-sex marriage in the United States has ended, no one seems to know what lies on the horizon. The conversation about what marriage could be like in the future is no longer confined to academics. In his dissent in Obergefell, Chief Justice Roberts linked the constitutionally-mandated legal recognition of same-sex marriage to the possibility that states may also have to recognize multi-person intimate relationships as well to avoid discriminating against plural marriage enthusiasts. The popularity of television shows like TLC s Sister Wives and HBO s Big Love...