My 2 cents if the divorce does move forward.
Make sure you have it in writing that:
1. You can accept a job in any State. That way you are not forced to pass up an excellent job opportunity.
2. He pays for 1/2 of everything. Spell it out: Braces, summer camp, music lessons, dance lessons, horseback riding lessons, any and all extracurricular activities that your children want (or you think they may want to) participate in, college.