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Sexuality and Marriage



Same-sex marriage


by David Sirkin


15 June 2009


The institution of marriage may have started in order to stabilize a sexual relationship between a man and a woman for various perceived social benefits, including reducing fights over mates and providing a stable environment for raising children. Towards some of the same ends, we also may have evolved genetic predispositions to want to enter into stable partnerships. These predispositions are then reinforced by societal expectations to enter into marriages. As a result, the majority of people wish to find long-term partners.


There is no reason to believe that a person whose sexual preference is for the same sex will be less likely to want to enter into a long-term partnership. Such a person simply has an attraction program in the brain that is more typical of the opposite sex (see Sexual preference).


Marriage in modern times has already been broadened to formalize commitments between people who cannot reproduce: for example between a man and a post-menopausal woman. So lack of ability to reproduce cannot be used as a ground to for prevent same-sex couples from marrying.


Same-sex couples should also be allowed to adopt and raise children if they wish, since there is no good evidence that they are poorer parents than opposite-sex couples, and since they can be presumed to have as least as great a chance of doing a good job of child-rearing as a single person.





Sexuality and Marriage

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