We cannot change innate temperament
Second, you cannot change your innate temperament. According to Stella Chess and Alexander Thomas, each of us has a temperament that varies high and low within the following ranges:

Activity level
Regularity
Approach and withdrawal
Adaptability
Sensitivity
Mood
Intensity of reactions
Distractibility
Persistence and attention span

Let’s take a closer look at these aspects of temperament. In your personal journal write “My Temperament” at the top of the page. As you rate your temperament, make a list of the results.