100% correct. You teach them the best you can and hope that it carries all the way through. In the end experience is the only way to learn/ grow.
I had a prenup. If a prenup has ever been thrown out in your jurisdiction, you can guarantee that they will try and contort your situation to match that. Fortunately, I had enough documentation to prove that it wasn't true. In the end, she is a stronger person because she depends on herself. I know she regrets the time wasted, as do I. The lawyers do as well... A couple got fired over my case because I will destroy anyone who fucks with me. But legal fees still exist... Plus it was an emotionally difficult time that made it difficult to earn money.
Screw fundamentals, just play the madness of the crowd. Bitcoin, Tesla, Netflix, etc. And watch your back, as in lower back.
I would tell my 18 years old self to invest into bitcoin and sell out at the end of 2018. Also, learn to code so that I can automate my trades today.
They say youth is wasted on the young. Copy what you see successful people doing successfully and avoid big mistakes. You'll be fine.