[[File:Mayo clinic Rochester MN.jpg|thumbnail|300px|According to the [[Mayo Clinic]], "Positive thinking just means that you approach unpleasantness in a more positive and productive way. You think the best is going to happen, not the worst."<ref>[https://www.mayoclinic.org/healthy-lifestyle/stress-management/in-depth/positive-thinking/art-20043950 Positive thinking: Stop negative self-talk to reduce stress]</ref>]]