Blue Balls Are Real, But How Do Men Get Them An Explainer

So, what are blue balls? As a man becomes sexually aroused, the arteries carrying blood to his genitals enlarge, while the veins carrying blood away constrict. This traps the blood in the genitals, helping him maintain an erection. It also swells the testes to 25 to 50 percent larger than their normal size. Soon, the man will reach orgasm and everything in the genitals will return to their normal state. Unfortunately, in this case, he doesn’t. Blood pressure continues to build in the genitals through a process called vasocongestion, which makes it feel like someone is squeezing the testes.
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