Nov. 25th, 2017/
"Evolutionary biologist Robin Baker argues in his book "Sperm Wars" that occurrence and timing of orgasms are all a part of the female body's unconscious strategy to collect and retain sperm from more evolutionarily fit men. An orgasm during intercourse functions as a bypass button to a woman's natural cervical filter against sperm and pathogens. An orgasm before functions to strengthen the filter."
Well, it's a funny theory (Y)