It seems this is a bit complicated...my plan is to be patient and take it one day at a time. I have journaled for years now (off and on). I have photos and a few voice recordings.
I think you are doing great here, 24 years.
I agree, try to find an attorney to talk to you specifically about what you have in mind.
Yes, definitely talk to someone about the equity in the house, child support (medical and dental) maybe spousal support for a limited time to give you time to finish school.
It might be best to have the info before talking to your husband.'
I have found the courts will want to work with a parent trying raise teenagers and get an education.
My completely from the seat of my pants opinion.
Reasonable always works. He wont have to admit his problem, it will be revealed.
If necessary, you have journals. Very helpful.
I hope the best for you and your children,
Beth