When I first watched it, I also felt that such an arrangement was a bit regrettable. But after reading the comments, I feel that it is actually just a horror movie, why should we get to the bottom of it like this. Moreover, this film seems to be a little bit of a stream of consciousness,,,, seems to convey a feeling that everyone has a certain state and memory of fear when they were young,, and this fear is often not in our life when we grow up. A clear cause and effect will be found, unless of course you can actually get over it.
No matter if someone says the male protagonist is schizophrenic or not, at least I don't think so. I think it's more like a "Beat the Bad Wolf" fairy tale written by an adult based on his childhood memories.
As for whether it is in line with reality, I don't think it seems that important for a fairy tale.
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