Drawing on more than twenty years of scientific research into positive emotions, world renowned researcher Dr Barbara Fredrickson shows us that attaining positivity is not about striving to be an annoyingly and unnaturally cheerful 'Pollyanna'. Rather, it is about putting into practice the '3-to-1 ratio' of positive to negative emotions, the crucial tipping point that will enable you to embark on an 'upward spiral' towards a healthier, more vibrant, and flourishing life.