Answer:
Type D personality is pessimistic personality in constant distress, irritable, prone to serious mood swings and most likely to have a heart attack
Type A Competitive, rushed, self-driven personality that creates their own stress
Type B personality is a relaxed easy going personality that can have the shortest life span
Explanation:
Type D personality tend to be very negative and depressed, the D means "distressed". They find difficult to share their feelings. They are prone to have coronary artery disease. Type A and Type B are two contrasting personalities. While type A tend to be competitive, ambitious and anxious, type B are more relaxed, patient and easy going. However, typo B may procrastinate and be competitive sometimes.
