Ever wonder? How To Talk About Art History has the answer.
Firstly, they’re flaccid. If you compare their size to most flaccid male penises, they are actually not significantly smaller than real-life penises tend to be.
Secondly, cultural values about male beauty were completely different back then. Today, big penises are seen as valuable and manly, but back then, most evidence points to the fact that small penises were considered better than big ones
The More You Know™