This might be 100% bullshit but an interesting theory nonetheless.
Gorliias, chimpanzees and bonobos walk around at butt height and see how strong a potential partner is by their butts. Since we started walking upright boobs are closer to eye level and have eveloved to resemble butts.
Revan343@lemmy.ca 1 month ago
Do gorillas, chimpanzees, or Bonobos mate face-to-face, or doggy style?
NikkiDimes@lemmy.world 1 month ago
If I had to guess, yes
merc@sh.itjust.works 1 month ago
For bonobos, a whole variety of ways and very frequently.