I think a problem a lot of us have, and I certainly do, is not having a purpose in life as a focal point for making decisions and maintaining good mental health.
Right now, my purpose is to take care of my spouse with Alzheimer's and make his declining years happy ones. I can see when that ends, I will be at a loss as to why I keep going. Hopefully I will find another purpose, because not having one is pretty depressing, especially when fighting through disabilities.
Quite a few people here are without purpose, by their own admission. With no job (or only a job they hate) and no relationship, they question why it's worth living.
What is your purpose?
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A finger in every pie.