I would recommend you have a consultation on your own with an attorney. Just to find out what are your rights, and what is reasonable to expect. All too often these “let’s work it out ourselves” situations result in the woman getting shafted more often than not.
Then ask for a little bit more than you’re entitled to, so you have some room to negotiate.
If you’re in the US and have been married less than ten years, consider waiting until it’s been ten years - there are potential Social Security advantages.
Meanwhile collect all the financial records you can, including tax returns, info on any pensions or retirement funds he has, etc.
