Being an optimist or a pessimist boils down to the way you talk to yourself. Optimists believe that their own actions result in positive things happening, that they are responsible for their own happiness, and that they can expect more good things to happen in the future. Optimists don’t blame themselves when bad things happen. They view bad events as results of something outside of themselves. I didn’t blame myself for losing my job, but saw it as a business decision that had nothing to do with me personally.