
Skeptics can have their minds read a mile away: Sounds great but is it true? The answer is Yes! Science supplies the explanation. Testosterone is the hormone that affects a woman's libido. During a woman's menstrual cycle, her testosterone levels rise and fall throughout the month. Since sexual desire is directly connected with testosterone levels, naturally the desire that a woman feels to have sex also rises and falls. By tracking this information, we can not only tap in to the best and worst days to try to have sex with our partners but also learn what the RED HOT days are each month to have great sex!