While I would need a little more facts to discuss your alimony entitlement, from what you already stated, this is a long term marriage and you are entitled to alimony. See link below to the FL Alimony statute.
http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&URL=0000-0099/0061/Sections/0061.08.html
You would be entitled to divide equally all assets and liabilities that were acquired during the marriage by both parties. When I say equally, that is the starting point for the court, there could be many variations as to how the assets/liabilities are divided depending on the factual situation and any non-marital components. See link below to FL Equitable Distribution statute:
http://www.leg.state.fl.us/Statutes/index.cfm?App_mode=Display_Statute&URL=0000-0099/0061/Sections/0061.075.html
I strongly suggest to consult/hire an attorney, as it looks like you would have a lot to loose if you do not protect your rights.
Best of Luck,
Helena Y. Farber, Esq. ~Associate Attorney~
Law Office of Cindy S. Vova, P.A.
www.vovalaw.com
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