Elvis & Priscilla: Conditional Love

Elvis and Priscilla are one of the most famous celebrity couples of all time. But the story that lies beneath the glamorous facade is more toxic than what first meets the eye. Elvis has defined Pricilla's life. His comment that she was "young enough that he could train her any way he wanted", in the end, came true. Though their relationship was bound by true love, what were the conditions that let it flourish?