Professor Gordon Gallup from the State University of New York led a team of scientists to investigate the anatomy of the human penis. They found the ridge that separates the head from the shaft helps clear a woman's vagina and reproductive system of a previous lover's sperm at a rate of more than 90 per cent of previous semen in just one thrust. Source

  1. How does it feel to realize that Male Genitalia evolved specifically for Sloppy seconds (thirds, fourths etc)?
  2. How does this fit in with your specific pill-verse?