I could not resist...
Duties Toward the Body in Respect to Sexual Impulse
In "Lectures in Ethics" Immanuel Kant discusses the nature of the "sexual impulse" and people's needs to control it, as well as his views on marriage. Kant sees sexual desire as threatening people's higher, rational nature, and in particular the requirement that we respect ourselves and others by acting only on principles we can will to become universal laws.
Specifically, he thinks some sexual practices violate the fundamental ethical principle that we must never treat another person merely as a means, but always as and end. Prostitution, concubinage, and extramarital sex are all, Kant argues, inconsistent with this most fundamental of moral requirements. He then goes on to describe the moral basis of marriage and the morality of homosexuality.
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