Your logic is flawed: there definately is a generic speed of time. Otherwise there would be people from the audience leaving the races halfway and others still watching in awe long after it's finished. You can't state personal time would stretch or compress everything, otherwise you can't outlive somebody else who also died "pure".

Of course, there are differences in experiencing time related to consciousness and other factors. Time flies when playing games, time goes very slow in an immediate crisis where you're at max awareness etc.

But the theory as you state it does not fit with reality.

And if whatever you take affects your memory, I think you should try to reduce taking it. It does not sound healthy.

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