How long is the average penis when hard?

Most penises will increase in length by about 30% as they get hard.

There are health benefits to circumcision.

The word “penis” comes from the Latin word meaning:

I should be worried that my penis curves, or hangs to one side.

What percentage of men aged 15 and over are circumcised?

Gay men have larger penises than straight men.

What is the average cum velocity when a guy ejaculates?

How can you permanently increase the size of your penis?

How often should you masturbate?

How many muscles are in your penis?

How big is the average load of cum?