To improve your life you might decide to prioritize your own personal happiness, or find meaning in helping the people around you. Few of us consider pushing ourselves well beyond our comfort zones. It might take a lot of effort and risks pain or disappointment.

University of Chicago professor Shige Oishi thinks to live fully we all need to push ourselves to find "psychological richness". He tells Dr Laurie that we should look for daily opportunities to explore, get lost, mess around and have random encounters that challenge our routines and expectations.

Read more about Shige's work in Life in Three Dimensions: How Curiosity, Exploration and Experience Make a Fuller, Better Life.

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