I heard a story about twin boys who were polar opposites. One was the eternal pessimist. He saw the negative in everything. The glass was always half empty. The other one was the eternal optimist. He always saw the sunny side to things. He always saw the glass half full.

The twins’ parents were curious about this so they took their twin boys to a therapist. The therapist was also curious about how different they were so he put the pessimist in a room full of toys and observed him. The boy picked up a plane and said, “This one is awful. I’ve seen other planes a lot better than this ugly one.” Then he picked up a Matchbox® car and said, “This one is terrible. My friend has a better matchbox car than this one.” He did that with every toy.

Then the therapist put the optimist in a room full o…