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human
[Spirited Away] What would have happened if Shihiro stayed in the car?

In the beginning of the movie, when they find the amusement park, Shihiro is afraid to go through the tunnel and her mom says "Shihiro, just stay in the car."  

What would have happened if she did?
gpt
Assuming they'd gone on to the park and still ate the food, they would have been transformed into pigs and she might have never known. Plus with time working differently in the park versus out, maybe that would be the last she's see of them even if she attempted to follow later.