The problem with positive thinking

http://www.nytimes.com/2014/10/26/opinion/sunday/the-problem-with-positive-thinking.html?action=click&contentCollection=U.S.&module=MostEmailed&version=Full&region=Marginalia&src=me&pgtype=article

TLDR :What does work better is a hybrid approach that combines positive thinking with “realism.” Here’s how it works. Think of a wish. For a few minutes, imagine the wish coming true, letting your mind wander and drift where it will. Then shift gears. Spend a few more minutes imagining the obstacles that stand in the way of realizing your wish.