If people didn’t feel fear, they wouldn’t be able to protect themselves from legitimate threats. Fear is a vital response to physical and emotional danger that has been pivotal throughout human evolution, but especially in ancient times when men and women regularly faced life-or-death situations.| Psychology Today
Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant activation of multiple body systems—all to facilitate response to an unknown danger, whether real or imagined.| Psychology Today
Anger is one of the basic human emotions, as elemental as happiness, sadness, anxiety, or disgust. These emotions are tied to basic survival and were honed over the course of human history. Anger is related to the “fight, flight, or freeze” response of the sympathetic nervous system; it prepares humans to fight. But fighting doesn't necessarily mean throwing punches. It might motivate communities to combat injustice by changing laws or enforcing new norms.| Psychology Today
From eccentric and introverted to boisterous and bold, the human personality is a complex and colorful thing. Personality refers to a person's distinctive patterns of thinking, feeling, and behaving. It derives from a mix of innate dispositions and inclinations along with environmental factors and experiences. Although personality can change over a lifetime, one's core personality traits tend to remain relatively consistent during adulthood.| Psychology Today