My mother is the main source of this belief, because she always encouraged me to think positively and always scolded me when I spoke negatively. Throughout his life he emphasized positive thinking and how useful it can be. My grandmother also encouraged me to have positive thoughts. I've heard this from admirable teachers over the years. It's quite normal not to question authority figures and role models, so I've adopted this belief as one of my own. This belief is not unusual. Much research has been done on the value of positive thinking. Positive thinking leads to happiness almost by definition. There are a number of reasons why I choose to think of it as popular