Crystal Harris publicly humiliated ex-boyfriend Hugh Hefner, and now Hef is fighting back. Although his retaliation is a wild overshare, the 85-year-old Playboy founder got his manhood back, at least, by telling The Hollywood Reporter that he and Harris 'had sex once a week.'The 25-year-old blonde famously told Howard Stern back in July that she and her former fiancé only had sex once and that it lasted 'like two seconds.'