Testosterone
It is often theorised that rape is an evolved strategy that is reproductive male primates, including people 5 . From DNA data it is often believed that 13th century Mongol emperor and war lord Gengis Khan has more or less 16 million descents that are male now 6 . Gengis and their sons and grandsons acquired 1000s of women from conquered regions and enslaved them as concubines. Demonstrably those ladies would not select Gengis, he selected them due to their looks and virginity. But today, significantly more than one thousand years later on, simply because they had been sexually dominated by way of a man that is powerful the genes of this ladies who produced sons like Gengis proliferate in the near order of the previous Mongol kingdom.
Through the very very first 1 / 2 of the period ladies’s testosterone levels enhance. By the full time they ovulate their testosterone peaks and through the second 1 / 2 of the period testosterone falls.
Testosterone amounts assist to market sexual drive in both men and women, ladies‘ sexiness coinciding making use of their many time that is fertile. Testosterone amounts differ in females because they do in males.
Analysis has shown that ladies greater in testosterone tend to be more attracted to more behaviour that is macho males 7 8 .
You do not state that the girlfriend desires you to definitely restrain her and take over her during her many fertile period of the thirty days, but this can be the outcome. It would likely be the scenario that the gf has above typical degrees of testosterone, that may help facilitate a dominance that is successful other spheres of her life.
But her personality that is dominating may her from seeing by herself as innately sexy or while the social label of „feminine“. 
It’s possible she may (perhaps wrongly) believe she needs to play a submissive role for her to achieve a self image as an alluring sexy female. Studies from the intercourse everyday lives of feminine primates have actually revealed that female behaviour that is homosexual frequently favoured and therefore feminine primates can take over intimate activity by initiating hetero and homosexual coitus, partaking in diverse couplings and placement and invariably experiencing sexual climaxes 9 .
Prelapsarian sex
The paraphernalia of handcuffs, rope and blindfolds employed by contemporary people while having sex inflicts passivity and a elimination of freedom of preference upon the restrained one. For self reflective sophisticated communicators, which many people are, intercourse with this type becomes objectified and reductive.
It’s possible that at this period your gf experiences sex with you through the 3rd individual goal. Your give attention to her external look is realised by her, via your look upon her, for which you, your body, your brain as well as your objectification of her all become important components of ab muscles typical sex game being played down independently in your safe room.
This physiological process may evoke primal, primitive reflexes and consenting human adults may be able to psychologically simulate something similar to the emotional content of prehistoric animal sex for some women. With one party blindfolded or communication that is gagged, in terms of brain reading or perhaps the spoken word, are paid off.
We separated from ancestral monkeys ( brand brand brand new and old globe) some 30m to 40m years back. The orgasm that is female the evolution of spoken language and our prehistoric feminine monkey ancestors had been experiencing cumulative sexual climaxes a long time before human being self representation and self awareness developed.
Intimate submission is typical event in the normal realm of wild primate females. Your gf is certainly not submissive, nor is she without feminine choice when you are her partner of preference, but also for a quick dream duration she chooses to reverse her part in life into certainly one of intimate subjugation. Because this sex game is repeated she’s got discovered through training (perhaps with past boyfriends) so it shall offer her intimate satisfaction.
If We had been you, in place of asking, „why does my girlfriend enjoy being tangled up?“, We might concern, when those handcuffs turn out, whether it is actually me personally she wishes. Or perhaps is she simply experiencing horny plus in need of the male to animate her reductive, prelapsarian dream? Burton, F D (1970) intimate orgasm in feminine Macaca mulatta. Procedures associated with the third Global Congress of Primatology, Zurich. 3: 180 191