The original SDU, which controversially promoted marriages among university graduate singles, no longer exists today. In modern times, emphasis on the institution of marriage, generally described as a male-female bond, has obscured pair bonds formed by same-sex and transgender couples, and that many heterosexual couples also bond for life without offspring, or that often pairs that do have offspring separate. Cougars are in extremely high demand these days, but it can be challenging to find a cougar who is local and available for sexy encounters and fun. This we havent agreed upon! Dating may also involve two or more people who have already decided that they share romantic or sexual feelings toward each other.