Point 9 - Eventually you do become able to disconnect from your job. One day the fucks just run out. Embrace that early on and save yourself a lot of stress.

This is the most important life lesson anyone can learn, but I think it can only be learned by going through a flaming dumpster fire that burns all those fucks away.

You can't get that confidence and no fucks given attitude on your own, at least not for most people. You have to go through the shit and earn it.