Maybe in our journey through life we meet other souls who look and act somewhat like us. But as the controlled and yet random selection of evolution, we know not which of us will have beneficial traits and so we can plus ourselves. We can use those traits that we do have which are no better or worse than anyone else’s to advantage or not. We could sit still and die peacefully, but our ancestors + our successors will merely see us as an unnamed common ancestor as it’s so-called