I am very interested in your post, indeed a person has their own personality in their life, such as Life experiences, both positive and negative, can shape a person's personality and behavior. The process of learning and developing oneself can make a person change and develop. The environment and culture can shape a person's personality and behavior, Social relationships with others can make a person change and develop. Life events, such as loss or success, can make a person change and develop. People can change in personality, such as becoming more confident or more introverted. such as becoming more career-focused or more family-focused.