How can i stop worrying about money? I have my rainy day funds, insurance, investments but i'm still worried.

Hi, it sounds that you are really in a lot of stress. I think you could try some of the tips in this article to relax.
Also, it would help if you could pin point what exactly is causing this worry. Is it fear of losing your job or maybe a the occurance of a major life event that would eat up all your savings? Afterwards, then you could proceed to think of a contingency plan, such as having a side hustle, or review your current insurance coverage to ensure that you are sufficiently covered.

If you dont have enough then your worry is legitimate and you should do the math to find out if you have enough

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If you know you have enough then just meditate to quell the illogical worry

Move away from worrying to much of your finances by focusing on other stuff like things that you like and learn to take care of your mental health better

What you need is additional source of income. Cashflows that keep coming in even when you are not in active employment. Then you can quit job and take a break with peace of mind.