>>1796969not him, but there are records of people who have lived for centuries in ancient china
i'm talking bureaucratic records, not myths
but this kind of thing can not be know by larger society
if you want an introduction to metaphysics with scientific proof, you might want to watch this lecture
https://www.youtube.com/watch?v=nRSBaq3vAeYand try out semen conservation yourself for two weeks and see what happens