After reading a lot of posts, many people have two kinds of misunderstandings as shown in the title. Let me explain to you. First, there are multiple parallel worlds in the movie. Let's number them. World (1): The world where the heroine is at the beginning of the movie. World (2): The world after the heroine wakes up for the first time. World (3): The world where the heroine wakes up for the second time. Little Nick(i), i=1,2,3 (Little Nick in World 1,2,3) Big Nick(i), i=1,2,3 (Big Nick in World 1,2,3 Nick) Next we analyze the direction in which the information is conveyed in the film. 1. (World (1)) The heroine gets information: Little Nick (1) was killed. 2. (World (1) → World (2)) The heroine transmits the information to Nick (2) via video 3. (World (2)) The heroine wakes up in World (2). And get information on all worlds (2). 4. (World (2)) The heroine and Big Nick (2) exchanged mutual information. At this time, the heroine and Big Nick (2) jointly own all the information including the world (1) and the world (2). 5. (World (2) → World (3)) Big Nick (2) passed some of the information (don't go to the heroine, put away the TV, etc.) to Little Nick (3) in the form of video. 6. The heroine wakes up in the world (3). The heroine has information on all three worlds. Conclusion: 1. The world where the heroine wakes up for the second time is the world (3). 2. The heroine warns that the world where Nick (2) lives is the world (1). 3. Big Nick (2) passed the message of "put away the TV" to Little Nick (3) and caused a change in the world (3). 4. Nothing has changed in the world (1), so what the heroine warned Nick (2) did happen. but! ! ! ! but! ! ! ! None of the above analyses are valid, and the story setting is not based on parallel time and space at all! ! ! ! 1. If the heroine goes to another parallel time and space In the concept of parallel time and space, there is heroine 1 in world 1, and heroine 2 must exist in world 2. These are two identical but independent people, even if The heroine 1 travels to the world 2 through supernatural methods, and it cannot replace the heroine 2. Just like the movie "The Night When the Comet Comes", there will only be two situations where they meet. 2. If the heroine did not go to another time and space, it would be even more impossible for her own time and space to change in any way. To sum up, there is no so-called parallel time and space, all stories take place on a linear timeline. Second, the problem of the grandmother paradox When I just watched the movie, I always had a doubt, why Nick seemed very strange when he saw the heroine at the end, and he didn't recognize the girl at first sight like the big Nick before. host.
Then I read a lot of topics discussing the grandmother's paradox, and then I suddenly realized that I couldn't help but marvel at the director's clever handling. In fact, the most brilliant thing about this movie is to avoid almost all the "grandmother's paradox" that will be encountered in time-travel movies. The embarrassment of "the theory", because there is no "grandmother paradox" in this movie! ! ! ! The explanation is as follows: At the end, Big Nick warns Little Nick through the video 1. Don't go to the heroine (in case the timeline related to the heroine is changed) 2. When he grows up, he uses the opportunity of the storm instead of the heroine to warn the heroine 30 years ago. Don't go out by yourself. So, Nick received a warning from himself thirty years later to avoid a car accident, not because of the heroine. It is natural to be unfamiliar with the heroine. At the same time, the heroine also saved Nick without a TV, avoiding the "grandmother paradox" bug! ! ! ! The above analysis is purely personal opinion. If there are any logical errors, please point out and we will discuss together. If you agree with my point of view, please give me a thumbs up ヽ(✿→∀←)ノ la la la♫
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