This comes across like the people who say, show me incontrovertible proof God does not exist and I will happily become an atheist. Knowing, of course, it canno

This comes across like the people who say, show me incontrovertible proof God does not exist and I will happily become an atheist. Knowing, of course, it cannot be proven. If you are actually of open mind, there are some natural experiments that have been done, e.g. see Blue Zones.