However, many successful leaders such as Barack Obama, President of the United States, and celebrities such as Oprah Winfrey and Will Smith point out that by using laughter in their daily lives they have achieved their personal goal as it is considered a social skill through which we can be happy and spread happiness. While explaining what she thinks success is, Oprah Winfrey said, "Every day offers the chance to live without regrets and with all the joy, fun and laughter you can handle."(--) If you know how to laugh properly, you can make people believe that you are trustworthy and also appear more attractive. Competence and attractiveness are two aspects driven by laughter and humor, as well as by increased solidarity and pleasant social contact that reduces conflictual relationships. This means that laughing will improve our social support.(--) leads to widening our social circles, a necessary skill for success. In this regard, laughter is not only a behavioral expression (see introduction) or a lifestyle, but also a social competence that contains interpersonal aspects. (--) There is no doubt that laughing is the key to doing this