If you can manage to experience three positive emotions for every one negative emotion … you dramatically improve your health and your ability to successfully tackle any problem you're facing.

Source: "The Game That Can Give You 10 Extra Years of Life." TEDGlobal 2012. Jun. 2012. Conference Presentation. Additional Information: This quote from game designer Jane McGonigal tells us that if you have a three-to-one positive/negative emotion ratio, you will be healthier and better able to confront life's challenges. In the 2012 TED Talk this quote is from, McGonigal explains the research behind this assertion, and how you can leverage this knowledge -- by playing a game called SuperBetter -- to live a longer, happier life. Watch the full TED Talk here: Jane McGonigal - The Game That Can Give You 10 Extra Years of Life