Article continues below advertisementPriscilla Presley's final intimate memory with her ex-husband, Elvis Presley, wasn't a good one.In her new memoir, Softly, As I Leave You: Life After Elvis, the 80-year-old accused the late King of Rock and Roll of sexually assaulting her after he discovered her affair with their daughter Lisa Marie Presley's karate instructor, Mike Stone.Priscilla wrote about how this was her ultimate reason for leaving Elvis in 1972, when Lisa Marie was 4 years old.