“The original ending had left me in tears. It also seemed quite fitting for the story. She was born for her, and at the end, when she died, it was also for her. The movie totally ruined it and made it something that can be predicted by everyone, whilst the book ending took me by surprise.” 


Source: https://www.buzzfeed.com/marycolussi/21-book-adaptations-that-fans-felt-personally-betrayed-by