Why men lose sexual desire after ejaculation?

Prolactin represses dopamine, a key chemical in desire and motivation, and is linked both with sleepiness and feelings of sexual satisfaction.


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  1. 1 Men were designed to impregnate

    Men weren't designed to have continuous sex but just to impregnate their wives. A typical male will lose sexual desire for some time after orgasm. This is called the refractory period.

  2. 2 The release of oxytocin

    According to Wikipedia, the hormone oxytocin, which is produced right after ejaculation, is believed to be the main reason why men lose their sexual desire after it.

  3. 3 The release of Prolactin

    The release of prolactin, which is a a chemical that suppresses the release of dopamine, is also believed to be among the reasons why men lose their sexual desire after ejaculation. Dopamine fuels sexual desire. See also The effect of masturbation on testosterone.

  4. 4 More oxytocin is released after real sex

    According to some studies, 400% more Oxytocin is produced after a male has real sex compared to masturbation.

  5. 5 The negative feedback theory

    According to one theory, the negative feedback sent from the male sexual organ after ejaculation results in suppressing sexual desire for some time.

  6. 6 The refractory period depends on many factors

    The refractory period depends on many factors, including age. According to some studies, the refractory period for 18 year old males is 15 minutes, while for 70 year olds it's 20 hours.

  7. 7 The average refractory period is 30 minutes

    According to some studies, the average refractory period for most males is 30 minutes.

  8. 8 The coolidge effect

    The coolidge effect is a phenomenon seen in male mammals where they experience renewed sexual interest if a new female is introduced after losing interest in the first female as a result of ejaculation.


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