When I turned 38 earlier this year, my not-quite-old-enough-to-be-GenX-but-too-old-to-be-millennial self got to pondering and said “self (because third person vibes are what thirty-somethings should give off), what do you think you’ve learned?” Well, frankly, a bunch. So much so, I tried to condense my learnings into a listical. I carry these close to vest as…