How do boys cum
When the erect penis is How do boys cum, muscles around the reproductive organs contract and force the semen through the duct system and urethra. The pubic hair soon turns darker, curlier, and coarser in texture, and grows in a diamond-shaped pattern. I hate it when my voice cracks. Each time a guy ejaculates, it can contain up to million sperm. Section Title General Health. There is really nothing you can do that will safely change the size of your penis.