penis size preferences with the use of 3D printed models of 33 different dimensions.
Many men worry their penis is too small. Find out what the average penis size is, and how most women are not interested in penis size.
Scientific studies have been performed on the erect length of the adult of different subgroups of the human population (in other words.
It's a subject many men have wondered about at some point in time: What is the average penis size? According to one study published in the.