Each have to fit their own specie.
No. And for your information, cows don't have penises because they are female mature bovines. Bulls have penises, not cows. And no, a bull's penis is not bigger than a stallion's.
Horses have big penises
No.
depends on genetics and family history, but I'm German and I can'y complain about my friend downstairs LOL.
Some penises are bigger than others because of the different physiques and genes that we have as human beings.
same reason men have penises and women dont, men are attracted to boobs, women are attracted to penises.
elephantitis
No through the amount of swimming and height Hawaiian men have above average penises i know
7
Some men like it.
No. Most men's penises are of average size. It is more important to learn how to use what you have.
No but hopefully trimming.