Are you an optimist? Test your optimism!
Are you an optimistic or a pessimist? Let's test it! Cheerful and optimistic is both a psychological state and a character quality. The survey shows that cheerful and optimistic people are not only healthier (such as the incidence of cancer is significantly lower than that of pessimistic and depressed), but also have a happier marriage and are more likely to succeed in their careers. To treat life...