OP, I left teaching this summer after 15 years because it was making me ill.
My teens were quite concerned for me as they saw me being stressed and working so many unpaid hours.
My health finally made me give up, and I'm still trying to recover from my back problems. I was so tense I messed up my body trying to keep going.
At the moment, I am at home and am figuring out what to do. I have quite a few transferable skills, but I want to do something I love doing. Something I would do for free, which makes me happy and brings in money.
Luckily my dh earns enough for the basic life, but no extras. He was the one who almost begged me to stop. He saw it coming years ago, he always said the amount of work I have to put in is crazy. And that was not me being unorganised, it was necessary by the constant change in requirements, text books, exams, etc.
I have a few ideas what to do but lack self confidence. Maybe I just need time to think, after the dc have gone back to school. I have done an online course, which has helped my confidence a bit, I need to go back to it. It's called freerangehumans, if you are interested. It is very helpful if you already have an idea for starting self employment (catering?).
Please think of your health. Nothing is more important.