yeah but some handle the idea that there's only a deterministic reality where the characters fulfill the coming events.
like twelve monkeys for instance - as a kid bruce willis watches as his elder self gets shot on the airport, but he doesn't know that the man is he himself. he isn't even sure that this is only a dream or a memory. every time when he thinks back about what he saw, the memory is slightly different because that's the way memory works. he builds characters into his memory that weren't there. he could have changed his faith as soon as he realized that it was him being shot. but he had difficulties deciding whether he was sane or not, so his actions were plausible.
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