Almost by definition, personality traits are thought to be enduring psychological features. They mark someone as thinking and behaving in a characteristic way right now—and, probably ...
Personality disorders are deeply ingrained, rigid ways of thinking and behaving that result in impaired relationships with others and often cause distress for the individual who experiences them.
MBTI simplifies personality types into categories like ... was going to be an introvert from his first introduction. As an INFP, he is introverted, intuitive, feeling, and perceiving.