Humans are only walking digestive tracts. From an evolutionary perspective, all other organs originated from a primitive gut and have only one purpose: to serve it.
(credits to /u/susieq0044@sh.itjust.works who phrased it so well in this post, even though i had the thought already years ago)
Came to say, we’re fucking machines vs. the rest of mammalia. Our females are in heat 24/7 and the males are constantly hunting pussy. Seriously though, does any mammal come close? Bonobos I think?