The differences between people’s personalities can be broken down in terms of five major traits—often called the “Big Five.” Each one reflects a key part of how a person thinks, feels, and behaves. The Big Five traits are:| Psychology Today
All humans are born with biological characteristics of sex, either male, female, or intersex. Gender, however, is a social construct and generally based on the norms, behaviors, and societal roles expected of individuals based primarily on their sex. Gender identity describes a person’s self-perceived gender, which could be male, female, or otherwise.| Psychology Today
Happiness is an electrifying and elusive state. Philosophers, theologians, psychologists, and even economists have long sought to define it. And since the 1990s, a whole branch of psychology—positive psychology—has been dedicated to pinning it down. More than simply positive mood, happiness is a state of well-being that encompasses living a good life, one with a sense of meaning and deep contentment.| Psychology Today