by Ree, “The (Ree)lationship Guide” Research has proven what most of us already know but refuse to acknowledge: Doubt ruins relationships. Researchers at the University of California, Los Angeles, say their four-year study of 464 newlyweds finds those with uncertainty were less satisfied with their marriages, and women with doubts who took the plunge anyway were 2.5 times more likely to divorce. The survey question was very simple and only required…