Due to quantum decoherence parallel universes decouple and are no longer chronologically synced, when we die you continue to exist in an infinite amount of universes at the time you were conceived in this universe. Death is futile and life has no end only infinite new beginnings, you will be a fetus that was born and experienced youth in infinite repetition forever and eternally. On a side note, when you die in this universe you continue to exist in an infinite amount of parallel universes where what caused your death in this universe did not occur and we will also experience old age forever due to quantum immortality. Which is an entirely different yet additional reason to not fret about an illusory aging process. There is no greater irony to be found on the Internet than doubting the veracity of quantum mechanics when you are reading this message using a CPU that would not function without quantum entanglement.
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