We get used to dirty air, people grow to accept authoritarianism, take foolish risks, and we are more liable to believe misinformation than ever before. Too much of a good thing might be bad news after all. Rituals and habituation cause acclimatization and indifference. So how do we keep life interesting? Exciting events, relationships, stimulating jobs and breathtaking works of art lose their sparkle after time. People stop noticing what is wonderful and they also stop noticing what is terrible.  With examples of her research, Professor Tali Sharot shares tips for how to keep life sparkling and vital, from the workplace to world news. Learn more about your ad choices. Visit podcastchoices.com/adchoices