by Leonard Sax (@unfragilekids) What personality traits during childhood or adolescence best predict an individual’s health, wealth, and happiness many years later—say, at 35 years of age? Is it their grade point average? Popularity? Emotional stability? No, the traits that best predict future well-being are actually honesty and self-control. Psychologists combine honesty and self-control into a single personality trait called “conscientiousness.” In fact, I devote two chapters of m...
