“Bill and Ted Bend Time and Space to their Will”

Okay, granted, I’m no physicist. I get that the phone booth portal transported the dudes through neon purple time tubes, and that they could bring artifacts and people along with them. Same theory as “Back to the Future”.

But I could never wrap my puny mind around this part of the movie. So all they had to do to change the present was to intend to do something in the future? If that’s all it took, I’d be rich and ripped and probably even a little taller.

Someone please explain to me why this is good science.

UPDATE: No. You’ve all failed to answer satisfactorily. I have the answer here.

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