Highly agreeable people tend to be nice to others, even when they’re in a bad mood. As one of the five basic personality traits, agreeableness tends to attract less attention than, say, neuroticism or ...

The words “nice” and “kind” are often used interchangeably to describe a positive quality in a person. From an early age, we’re told to “be nice,” and we learn about the heartwarming nature of “acts ...