We often think positive thinking is the best way to achieve our ambitions - but the science shows it holds us all back. Dr Laurie Santos hears how champion swimmer Michael Phelps imagined the worst to help make his Olympic dreams come true. It's a mental habit that you can learn too. For an even deeper dive into the research we talk about in the show visit happinesslab.fm Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.