I wouldn't be surprised if every time a man masturbates, he's shaving off micrograms of skin per stroke. It would add up over years and the penis circumference could actually lose 1-2cm over a decade of excessive onanism
I wouldn't be surprised if every time a man masturbates, he's shaving off micrograms of skin per stroke. It would add up over years and the penis circumference could actually lose 1-2cm over a decade of excessive onanism
