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
Stress generally refers to two things: the psychological perception of pressure, on the one hand, and the body's response to it, on the other, which involves multiple systems, from metabolism to muscles to memory. Some stress is necessary for all living systems; it is the means by which they encounter and respond to the challenges and uncertainties of existence. The perception of danger sets off an automatic response system, known as the fight-or-flight response, that, activated through hormo...| Psychology Today