In response to:

When You Find Out You Married Your Sister

jimmylynn Wrote: Feb 26, 2013 10:48 PM
"....allowing same-sex marriage blurs other common law precedents and will lead to the legalization of a variety of non-traditional relationships (see Slippery-slope argument). Polygamy. The gist of this argument is that the traditional definition of marriage involves two components, a commitment to one person of the opposite sex, and that changing one of these components (restricting it to members of opposite sexes) would necessarily lead to a change in the other component (restricting it to only one person)."
jimmylynn Wrote: Feb 26, 2013 10:51 PM
"Human-animal marriage. Non-human animals, however, do not have the legal standing to consent into a marriage contract."

http://lgbt.wikia.com/wiki/Same-sex_marriage
jimmylynn Wrote: Feb 26, 2013 10:50 PM
"Polyamory. Defined as the practice whereby a person has more than one long term loving relationship in their life, with the knowledge and acceptance of others they are involved with, in whatever form is chosen by those involved. This can include long term stable group marriages, or stable couples who have external partners as well as their 'primary' partner. A polyamorous civil union in the Netherlands in 2005 sparked many comparisons with gay marriage on American conservative blogs. Most practitioners of polyamory in the United States are skeptical of all forms of marriage, however."

You knew it had to happen sometime. A husband discovers that he and his wife have the same sperm donor father. (Both of them raised by lesbian parents.) That means he married his half-sister, who is now the mother of their three children. What should they do?

Although the story has not, to my knowledge, been verified, it was the subject of a question submitted to Emily Yoffe, author of the Dear Prudence advice column. The husband explained that when he met his wife in college, “the attraction was immediate, and we quickly became inseparable. We had a number of...