Who´s happiness is most important? My own or my family´s wich I have a

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Who´s happiness is most important? My own or my family´s wich I have a responsible for as a mother and a wife? I´m used to, and it´s a part of my personality to always make sure that everybody around me is happy and content.But I suddenly realized that I forgotten all about me and what I want and need to be happy. I´m now facing the fact that in order to be happy and content, I need a divorce. Our marrige with two teenagers, is OK, but nothing more- we are like best friends. I suppose that my action will come as a complete surprise to everybody around us. And it will cause a lot of anger, tears and questions. And the only answer I have is- I have to do this for me. Do I really have the ethic right to hurt everybody around me in order for me to be happy.