One thing that helps is the lightbulb moment: The most interesting thing you can know is other people. Not as objects, curiosities, but real, truly unfathomable beings. You'll never truly understand what's in someone else's head, but you can still spend your life striving to get to know them better, and to perhaps know them well enough to try and make their lives better. There is the age-old cliche of intelligent peo…
I'm manifestly not a genius, not by a long stretch, but I am an outlier along several axes. Still, when I was younger I was certainly guilty of thinking along these lines and so, perhaps, it's just maturity that's changed me.
As time has gone on what strikes me again and again about the quality of an "average" life lived well (partner, children, family, home, job) more than anything else is its richness. I know it's not easy, but neither is it dull, and the joys and triumphs of it are real. I envy those who possess it and I'm glad for them in equal measure.
(You can of course argue that this is simply a "grass is always greener" mentality, but I believe that can often be a weak and lazy argument deployed when someone is unable to come up something better on their own. That said, what I've expressed above is my own point of view, and I acknowledge that it's by no means universal.)