Don't be afraid to explore the evolution and the demise of your relationship. You can gain valuable insight into your selection process, expectations of marriage, and reasons for the divorce. Understanding what attracted you to this person in the first place may provide you with some surprising answers.
For years I was a "yes" woman. I did everything for everyone, even when it left me unhappy. What I craved is what no one could give me: unconditional love and approval.