Youth, maybe?
Amount of usage, maybe?
Hell, I don't know ... I don't particularly care, either. My dick is my dick; be it soft and flaccid or hard as a rock. I don't compare my dick size or rigidity to some other's guy's dick size or rigidity. I'm content and happy with what I have; it has served me well for 37 years now.
@ Chef and Fox ...
Thank you for making me think of the Marine Corp's old 90's commercial in which the blacksmith is forging the Mamaluke *****.
OOH-RAH ... I think.

:eek: Meh ... not so much. LOL.
Jesus, what a damned image to take from this thread. LMGDFAO

:rofl: