Research shows that during ejaculation, men release a cocktail of brain chemicals, including norepinephrine, serotonin, oxytocin, vasopressin, nitric oxide (NO), and the hormone prolactin. According to the Complete Book of Men’s Health, “During orgasm, a number of brain chemicals are released: prolactin hormone, phenylethylamine (also found in chocolate) and endorphin. The latter two are addictive, and abstinence may result in cravings and mild depression.”
The release of prolactin is linked to the feeling of sexual satisfaction, and it also mediates the “recovery time
