Many of us have taken this little story for granted, but think of how often positive thinking helps us get through a challenge. I recently joined a rock climbing gym, and I noticed that the words going through my mind have a huge impact on me getting up a difficult wall. I’ve started to replace my initial thought “nope” or “that’s too far to reach” with “I can do this!” and just saying those words in my head can be the factor that gets me to the top...