This is a male bodily response to the female Menstrual Cycle. It developed over time as a result of natural selection. Males that talked too a lot, tried to act tough or tried to reason with ladies throughout the latter stages of their Menstrual Cycle slowly began to die out. Some had been officially documented as deceased and other people mysteriously disappeared whilst a little minority resurfaced years later unable to function successfully as males.
"Man-struation" begins shortly prior to the Menstrual Phase of the female Menstrual Cycle. It begins with the over-production of Serotonin hormone. This is to sedate the male ought to the female inevitably choose a nonsensical fight with him. It is created to counteract the Testosterone he might create in response to conflict and trigger him to concede the dispute. In addition to that, signals from the Medula Oblongota trigger a stiffening of the jaw muscles and this causes the male to speak much less. The male also slips into Autopilot mode. This entails the shutting down of fundamental bodily functions to survive any onslaught of words from the female.
The male will also create numerous hormones that will trigger him to want to be much more active, do sports, and hang out with his pals for higher periods of time. This is an abstinence based response of protection from the female. It is much more affective than the aforementioned contraceptive based responses, which are frequently topic to human error.




