4 types of people you always have

Type A Personality:

Characteristics: Perfectionist, impatient, competitive, work-obsessed, achievement-oriented, aggressive, stressed [3].
Type B Personality:

Characteristics: Low stress, easy-going, relaxed, flexible, creative, less competitive [3].
DISC Theory Types:

Dominance, Influence, Steadfastness, Conscientiousness.
Characteristics vary based on each type in the DISC theory [4].
Four Personality Types:

Sanguine: Sociable, talkative, enthusiastic.
Phlegmatic: Calm, easygoing, empathetic.
Choleric: Assertive, goal-oriented, independent.
Melancholic: Thoughtful, analytical, reserved