I am not saying a lot of us need to join the Male Inadequacy Support Group BUT, several of the posted photo do show penis size a little shorter than average. Average being 5.5 to 6.2 inches long erect. I do not recall any showing Micropenis or less than 2.75 inches erect.
I have a small penis and some think that is the reason I developed an enema fetish during my teenage years. My small penis syndrome was clearly a factor in not being overly sexually aggressive with girls. I am sure I lost a girlfriend for not making the right move on time.
I wonder if other guys found relaxing with a good high enema to be less embarrassing than letting your date find out your on the small size.