>>4024747In primates, penis size is correlated to female sexual choice and testicle size is correlated to female loyalty to male sexual partners.
Chimp females get fucked by every male chimp in the troup with no say about it and no loyalty to any particular male, so male chimps have tiny dicks and huge balls.
In Homo sapiens, the females are allowed to say no, but are also expected to not fuck other guys on the reg, so we have big dicks and small balls.
In Gorillas, the males control a harem and the females have no sexual choice, so Gorillas have tiny dicks and tiny balls (relative to body size).
Tarzan wore a loincloth because his Gorilla siblings used to tease him about his giant cock.
