#humans #sex #evolution Created at 120223 # [Anonymous feedback](https://www.admonymous.co/louis030195) # [[Epistemic status]] #shower-thought Last modified date: 2023-02-12 Commit: 0 # Related # TODO > [!TODO] TODO # Why is human penis so big but not bigger >However, it is large enough that if the same quantity of tissue were instead devoted to extra cerebral cortex, that brainy redesigned man would gain a big advantage. Hence a large penis's cost should be regarded as a lost-opportunity cost: because any man's available biosyn-thetic energy is finite, the energy squandered on one structure comes at the expense of energy potentially available for another structure. >~ [[Jared Mason Diamond - Why Is Sex Fun The Evolution of Human Sexuality]] So accord to Jared the penis is so big because bigger means more fun but at some point you need to [[Focus]]