Where do you think depression fits into this model? I have depression and take antidepressants, but I still experience an undercurrent of inescapable ennui that appears to be resistant to even the most interesting, well-defined and meaningful work.
I don't want to get into a thing with this but please don't tell this to anyone. It's neither medical nor scientific.
Generally philosophical visions of the world are a product of emotions and neurological and physical conditions that are sometimes as mundane as bad digestion.
We have an article that might have a useful tidbit or two for you: https://www.deprocrastination.co/blog/stages-of-self-develop...