Coolidge effect  

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"I have put out to stud an old horse who could not be controlled at the scent of mares. Facility presently sated him towards his own mares; but toward strange ones, and the first one that passes by his pasture, he returns to his importunate neighings and his furious heats, as before."" --Montaigne on the Coolidge effect

"Never have I had more completely voluptuous fucking as far as mere cunt was concerned, but that was all; I was sick of the sight of her directly our bodies unjoined." --My Secret Life

"The increase in sexual performance with changing mates, termed the Coolidge effect, has also been demonstrated in male guinea pigs (Grunt and Young, 1952), rams (Beamer, Bermant, and Clegg, 1969), and bulls (Schein and Hale, 1965)." --Handbook of Behavioral Neurobiology (1979) by Peter Marler, ‎John G. Vandenbergh

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Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.
Train wreck at Montparnasse (October 22, 1895) by Studio Lévy and Sons.

In biology and psychology, the term Coolidge effect describes a phenomenon—seen in nearly every mammalian species in which it has been tested—whereby both males and females exhibit continuous high sexual performance given the introduction of new receptive partners.

Origin of the term

The term "Coolidge effect" was first suggested by behavioral endocrinologist Frank A. Beach in 1958.

"… an old joke about Calvin Coolidge when he was President … The President and Mrs. Coolidge were being shown [separately] around an experimental government farm. When [Mrs. Coolidge] came to the chicken yard she noticed that a rooster was mating very frequently. She asked the attendant how often that happened and was told, "Dozens of times each day." Mrs. Coolidge said, "Tell that to the President when he comes by." Upon being told, the President asked, "Same hen every time?" The reply was, "Oh, no, Mr. President, a different hen every time." President: "Tell that to Mrs. Coolidge."

The joke appears in a 1972 book (Aggression in Man and Animals, by Roger N. Johnson, p. 94).

See also

Unless indicated otherwise, the text in this article is either based on Wikipedia article "Coolidge effect" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on original research by Jahsonic and friends. See Art and Popular Culture's copyright notice.

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