One fact about a human person is that genetics are the ones that decide his or her height, eye color, hair color, facial features, etc. For men, it is also their genetics that decide the size of their penises.

For those men who were well-endowed since birth, they are lucky that they have been given the gift. Those people who have small penises are the ones that are usually mocked, insulted, and laughed at in school, even if it was not their fault. As a result, these men lose their self-confidence and in worst cases, sink into depression. 

One reason for the psychological effect of penis size is that men usually consider their penises as the basis of their masculinity. For them, a big penis usually means more manly than other people. 

Two things should be considered when you decide your penis size: the length and the girth. The length is how long your penis will extend during erection, while the girth pertains to the thickness of your penis when you become sexually aroused….

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