Hugh van Cuylenburg spent a few months living and volunteering in India in 2008. Despite the fact that the villagers didn't have very much the were very happy. When Hugh got back to Australia he continued his studies and worked out that the key to the villager's happiness was gratitude, empathy and mindfulness. He wrote a book called The Resilience Project and now there is an app. It is only $4.49 and is available on android and iTunes. You can find out more about it in the video below.

In an article on how to deal with pessimistic thoughts, Dr Mike Dow said that the single most effective tool is gratitude. And not just listing things that you are thankful for but writing why you are thankful for them as well. You can read the full article here.