2. They Try, and Try Again
Optimists constantly search for new solutions to old problems, thanks to their glass-half-full mentality. In one study, participants were given anagrams that were nearly impossible to solve; the most optimistic subjects tinkered for 50 to 100 percent longer than the pessimists. And since optimists tend to stick around to solve problems long after pessimists have thrown in the towel, in the long run they tend to be more successful: at work, in relationships, you name it.
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