Mostly stuff that younger me already “knew” but hadn’t internalized.
Don’t sweat the small stuff, things that seem like a big deal now won’t even be remembered later
Avoiding unhealthy habits now will pay big dividends in the future
Take it easy on the drugs and alcohol, there are better ways to spend your time
I went to Plymouth, England while working on a ship and noticed an Island with an abandoned complex of buildings. We decided to row out with our small boat to check it out and it ended up being an abandoned artillery battery. It was a nice day out, kind of like spending the day walking around an overgrown garden with some WWII history thrown in. https://imgur.com/a/eoxGr