There are several points different from the novel: 1. Dr. Nasch is quite different from his imagination. In addition to being older, he has a lower appearance, which makes it impossible for people to feel ambiguous from being dependent on a psychiatrist. 2. The age of Chris's son Adam is different from the novel. From the fiancee in the book to the teenager who appears at the end of the film, I think the reason should be to cooperate with Nicole Kidman, and it doesn't look like a grandma in any way. 3. There is a little doubt, why Nicole Kidman always speaks in a low voice when interpreting Chris, is Qi Ruoyousi like an amnesiac? puzzled!
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