They also adopt theories and research generated by sociologists, anthropologists and evolutionary psychologists.
However, some authors adopt a moralistic and rigid view of affairs.
This summary was inspired by the important work of David Atkins, Ph. The root of the term infidelity is 'lack of faith' and disloyalty, as in 'infidel' which is the denial of belief in a certain religion.
In this example, extramarital sexual relationships are neither associated with betrayal or unfaithfulness nor do they involve deceit and secrecy.
Barash & Lipton poignantly wrote in their book Clinton's assertion that he did not have sex with Monica raised the question of not only what sex is but also how marital affairs are defined and whether sex or intercourse are the defining factors in infidelity.
This has made it very difficult to comply with the Western-Judeo-Christian proscription.
Correspondingly, many movies have dealt with affairs, most notably, Long before our modern era, infidelity was a recurrent element in literature and art. The Ten Commandments devotes a specific commandment to it. Similarly, many anthropologists have repeatedly claimed that Homo sapiens throughout its evolution, like most animals, has not been naturally monogamous.
Some better known examples are Spencer Tracy's life long affair with Katharine Hepburn, Bill Cosby, Sophia Loren and a seemingly endless stream of other Hollywood celebrities. Homer's Anthropologist Margaret Mead once suggested that monogamy is the most difficult of all human marital arrangements.