Get Your V Game On!
I'm sure you can think of someone whose cycles are thrown off every time they travel, have a test or are sleep-deprived. This reaction creates a chain of events that can suppress or even stop a whole range of responses, including digestion (feel bloated much?), menstruation and, you guessed it, libido.
v game sure think cycle throw time travel test sleep deprive reaction create chain event suppress stop range response include digestion feel bloated menstruation g USA  libido