All good science attempts to explain what is observed, and I observe that when my male subject ejaculates frequently, he is assertive, dominant, and aggressive. When he retains semen with daily stimulation, he is submissive and compliant craving a controlling, severe, female authority. Why?
For many years researchers have tried to explain the mechanics of pair bonding of animals and humans, and they've discovered a link between vasopressin and monogamy in the prairie vole. Researchers at the Center for Molecular Medicine, Emory University, Atlanta, Georgia injected vassopressin into montane (anti social) voles and they exhibited increased affiliative behavior after injection with arginine vasopressin.
The prairie vole is a rodent that is used by researchers as a model to explore human pair bonding. Why? Because they have an unusually high amount of vasopressin recepters, and prairie voles pair for life after their first mating. They may take an occasional sexual partner other than their partner, but they stick together through thick and thin.
Then there's the montane vole. They are basically the same species as the prairie vole, but they don't have as many vasopressin receptors as the prairie vole. Consequently they don't pair for life. This is why researchers speculate that vasopressin may be the monogamy hormone or play a strong part in life long pairing.
Humans do not have as many vasopressin receptors as prairie voles. For some reason humans hold up the ideal of monogamy, but only about 50% seem to accomplish it successfully. I would speculate that humans don't have as many vasopressin receptors because we simply don't make as much vasopressin. What would happen if we could make more vasopressin naturally, and if it's possible, how? And what would be the point as we don't have that many vasopressin receptors anyway?
Can we create more vasopressin receptors? Well, we know that when people are vitamin D deficient they have fewer D receptors, but when we raise their vitamin D levels with supplementation, more D receptors begin to appear on the cell membranes. It appears that when there's more of a substance, cells develop the capability to utilize it. So, I'm just going with the idea that if one could make more vasopressin, then more vasopressin receptors would appear. And possibly if we could do that, it would strengthen the pair bond of the male to the female like the prairie voles.…
This is a fascinating topic. The idea that someone can completely change their level of devotion, as you describe. Is pretty amazing, and has possible benefits for couples counselling.