First of all, congratulations on being a published author. That has always been a lifelong dream of mine, not sure if I'll ever come even close to achieving that.
Secondly, I can see that you are an artist. As someone who has created art in the past, I can definitely relate to those periods of artistic drought. I realize that one needs a certain amount of inspiration to be able to create art. Does painting bring you joy, happiness, release? Perhaps finding new inspiration will allow you to paint again.
I find nature and music very therapeutic, and even inspirational. I hope that you are able to reignite a passion of yours, and find new meaning in everyday things. It might take time, but it will be all worthwhile.
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Your neurodiverse (Aspie) score: 126 of 200
Your neurotypical (non-autistic) score: 86 of 200
You are very likely neurodiverse (Aspie)