Over the past 100,000 years the designs of the genes in your body have changed little, you are just a new combination.
Genes are close to immortal.
No surprise they torment us with pain and ambition. We are only their shoes. You are a joint venture bissness attempted by some of the genes in the community we call the human gean pool. Entropy says energy always loses concentration and order in the long run. Energy is like water flowing down hill.