I think that it is all in our heads.
Just like women have been brainwashed by Cosmo, men have been seduced into perfect bodies.
We want to look like Brad Pitt in Troy, but don’t. (I personally hate Brad Pitt, just a random “pretty-boy” example. Look at some of the crazy Pitt avatars on this forum).
The truth is that women don’t need a penis larger than 4” for vaginal, or g-spot orgasm. (WHAT?)
Yep! Without tongues, dildos, fingers, etc. Etc.
But, MEN need big cocks, so that we can show off. Mostly to ourselves, maybe to each other.
A guy with an 8” cock is just as embarrassed in the locker room as the guy with a 3” cock.
How many posts have we all read like, “Oh man, I need a larger cock, quick!” Only to find out that the schmuck is starting off with 7.5 or more.
Obviously it’s in our heads.
Look at some classical paintings.
Here is one of Achilles, the mightiest of warriors.
In fact, go to any museum where they have Greek/roman sculptures. Don’t forget your measuring tape. (LOL now that’s a funny image, sorry)