# Copulins? Why do they exist?

**URL:** <https://pheromonetalk.com/t/copulins-why-do-they-exist/2831>\
**Category:** Men's Pheromone Advice & Field Reports\
**Created:** [March 30, 2007, 10:32pm UTC](https://pheromonetalk.com/t/copulins-why-do-they-exist/2831 "2007-03-30T22:32:01Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Godhand](https://sea2.discourse-cdn.com/flex016/user_avatar/pheromonetalk.com/godhand/32/2378_2.png) [@Godhand](https://pheromonetalk.com/u/Godhand)\
**Post date:** [March 31, 2007, 9:10am UTC](https://pheromonetalk.com/t/copulins-why-do-they-exist/2831/3 "2007-03-31T09:10:19Z")

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I don’t know how relevant this may be, but I read some study that said that men produce more sperm when they think that their women have had sex with someone else. This has been explained as an evolutionary mechanism designed to beat cuckholdry. It could possibly be explained through pheromones…

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