Friend, keeping a partner is also necessary for reproductive success. A child historically had a higher survival rate when parents stayed together. I didn’t say that you actually want to pick anyone up with your conscious mind, I’m just saying that the decisions you make are motivated by reproductive success.
Why do you think you even feel the need to cover up your balding head. It’s the same reason, just suddenly even more obvious.
What is “better in general”? I don’t particularly mind the human species going extinct, it’s unlikely there’ll be no life left over. No one knows the nature of the universe.
In any case, it’s incredibly unlikely we’ll go extinct anytime soon. Maybe climate change etc causes extreme loss of life, but humans are so adaptive, some will surely survive.
No one can even define “enlightenment” either. Maybe we already are, maybe such a thing doesn’t exist. Currently, it’s just a story element.