Reggie shook his head.  "Snape was there.  And Sharon figured it out.  She knew that she could keep the DE’s attention by exposing his secrets."  There was nothing a Slytherin loved more than the drama of someone else’s secrets exposed.  "She bragged that she proved to Evans what a monster he was.  That she helped break his infertility potion."  And was tortured for it.  "He lost his temper."