“Sperm samples obtained via sexual intercourse contain 70-120% more sperm, with sperm having a slightly higher motility and slightly more normal morphology, compared with sperm samples obtained via masturbation. Sexual intercourse also generates an 25-45% increase in ejaculate volume, mainly by increased prostate secretion.”
“Safe sex seems to be quite different from great sex, as researchers discovered that women who do not use condoms when they have sex are less vulnerable to depression and less likely to attempt suicide compared to women who practice sex with condoms and women that are sexually inactive…The research made on 293 college women also discovered that those females who did not use condoms were the most prone to initiate sex and to actively look for new partners when their relationship ended. “These women are more vulnerable to the rebound effect, which suggests that there is a chemical dependency,” said Gallup.Semen is known to contain several hormones like testosterone, estrogen, prolactin, luteinizing hormone and prostaglandins, which can pass through the vagina’s walls into the bloodstream and elevate mood.”
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