Yes both optimists and pessimists alike have tended to earn bad reputations in different ways over time - from the Debbie Downer or cynical New Yorker scrooging through life, to the Pollyanna type that gets into trouble for being unrealistic and naive.

But when we dig a little deeper into the actual differences in mindset between more optimistic people and more pessimistic ones, we start to see how we, too, are constantly choosing between the subtle differences in these approaches in our everyday challenges and decisions, and just how tangible the effects of two very different perspectives can have on our greater lives.