What is it that makes some people able to maintain a sunny outlook while others seem to become mired in the negative minutia of day to day existence? Believe it or not, happiness can be a choice. This idea was first introduced to me when I was a sullen college student. “Man is master of his mood,” Dr. Ken West told a full classroom. I was dumbstruck. Until that moment I thought my hormone driven moods were the master of me.