Thousands of people have a thousand faces, don't be bothered by some size data on the Internet, everyone is different, and the physiological organs are also different.
Rather than length and thickness, what should be honed is your own skills to take good care of your body and let your body grow against age, and don't let some parts of your body get older than your age.
Don't worry about it, it's normal no matter what type it is
When it comes to maintenance, there are three good things to remember, eat well, drink well, and sleep well!
The 4 common types, which one are you?