The bible says the only way to keep wealth and mental health is to avoid indulgence, what are your thoughts about it?

I used to talk to a guy who told me his mother had mental illness and could not work, living with 3 siblings at home, and I suspected, without verbalizing it, that her mental illness might be a result of her joblessness and that maybe if she had a job, she would not be having the health issues she did.

I am not saying she deserved to be mentally ill, but a pastor I watched on YouTube said, you do not get what you deserve or what you do do not deserve, you get what you fight for and what you do not fight for.

The bible says the only way to keep wealth and mental health is to avoid indulgence, what are your thoughts about it?
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