My ex had been chesting on me he was physicaly and mentaly abusive. I didn't go for alamony at the time of divorce as we live in the same town and he threatened me
Patent Application Attorney
You definitely need a good divorce attorney. With that length of marriage, the courts will usually give alimony. However, a divorce attorney will be able to give you the odds on the courts changing the decree 5 years later.
This is not legal advice. Even if it were, fee legal advice is worth what you pay for it. The facts of every case are different and should be addressed by a competent attorney who has all of the facts.
Personal Injury Lawyer
You should contact a divorce attorney in your area,and bring copies of any settlement agreement or decree that was entered in your divorce. Good luck.