If a hypothesis is untestable by definition, then it's irrelevant. It doesn't matter if it's true or not because there's no way to distinguish any effect. So s

If a hypothesis is untestable by definition, then it's irrelevant. It doesn't matter if it's true or not because there's no way to distinguish any effect. So sure, maybe our infinite soul communicates with our body from the future. But until you can show that that makes any sort of noticeable difference in reality, it's magical nonsense.