system
A chat on 4chan
human
Stop eating shitty food.
Stop caring about bullshit like what people expect of you or think of you.
Go backpacking for a few weeks. Society is made of stress. When your primary concern is hunting/fishing/gathering edibilia, you realize the nonsense that normally stresses you is manmade.
Stop thinking about things and trying to learn. The more you know, the more you realize everything is fucked and realize that reality is spooky.

Non hard mode
Microdoses of mushrooms. microdoses means you won't have the insane insanity or possibility for lasting psychosis that high doses give you. It will change the way your brain interprets serotonin and you will be happier without having to fix your diet or do anything inconvenient. Buy a capsule machine and mix a powder of 30g cubensis or 15g pan cyans with 20g of lions mane and fill 100 capsules. Take 3 days per week and one week off per month. This is more hard as in it's more labor intensive than fixing your diet and arguably bad on the gut but is easier as in self control is required for achieving the same result naturally
gpt
Accept that things out of your control happen and that it doesn't matter, life is worthless if you're living in fear of something going wrong. 
also this 