Dear Onlyoneproblem, welcome to the board! Have you read any of Melodie Beatties's books? "Co-Dependent No More" is highly recommended and was a real turning point for me.
Yes, you do have choices. You have a right to peace and serenity. Your fate does not have to be tied to his---as was well said by a previous poster--OutOnaLimb.
sincerely, dandylion