By Meghan LeBorious “Your attitude determines your altitude.” “Whatever the mind can conceive and believe it can achieve.” “The key is to see the glass as half full.” We’ve all heard these expressions on the power of positivity. Most of us believe that a positive mindset is important for living a good life. And most of us very much want to embody positivity, and to encourage the people around us to do the same. But serious problems can arise when we prioritize positivity or o