author here:
it takes time, after i hurt my hands from working too hard i basically lost all my equity at the company, i thought i'd never be able to make money again.
i tied most of my self worth to being able to make money. and when i realised i might not ever be able to code again it was a painful 2 years of really feeling worthless and being in pain everyday.
You just have to practice, try the inverted thinking!
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a story:
I had this thought before of not want pets cause they do no "work". I grew up in rural china and so even a pet dog was really a "guard dog". when my ex wanted to get a tiny dog and i just thought " what a useless animal it does nothing". she basically said"the point is just to love it and be loved"
I still don't think i'd be ok with a useless pet like that, but i'm coming around to being able to accept that people do love things just on the basis of existing.
like... if people can love a 5 pound dog with a breathing problem, maybe I could just be loved too? maybe the people around me could just like me for being me. I dont have to claw at the acceptance.
But it starts with yourself, and being ok with loving others for just being alive and realising its possible and others are already doing it to you
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theres also something partiarcial about it, but I'd recommend `the will to change by bell hooks`