This applies to both heterosexual and same sex couples. Similar advertisements with heterosexual couples kissing were not pulled. They do well with singles, couples, and families with older children. Stuckart was also concerned about causing distress to German spouses and children of interracial couples. A 2006 study examined guilt and jealousy in American heterosexual married couples. Some congregations have texts available for same sex couples too. Insemination for same-sex couples and polyamorous groups is also discouraged. The characters suffer discrimination against same sex couples and trans people. They instead filed for all the legal protections that are available to same-sex couples. The party is also against adoption for same-sex couples. It explores the real side of relationships between couples. The story centers on two married couples and a child. It included almost all of the rights available to married couples in Brazil. About 40% of the married couples are sterile. These households were typically composed of young, more affluent couples without children.