[AB]
Strengths is sharp, observe carefully, warm-hearted, serious thought, compassionate and self-sacrifice, is good at self-reflection.Quick temper, capricious, melancholy, is love grumble, etcAB bloodPeople's weaknesses.With biphasic temperament, the temperament of introversion and extroversion temperament.That they also hard to control.In the condition of can't maintain two-way sex, defect will appear.

[B]
Is calm, happy, positive, sensitive, a bright and cheerful disposition, like communication, passion, lotte, active, etc., areType B bloodThe advantage of people.Grasshoppers, no constancy, no attachment, bold, careful, good hyperbole, articulate, good display, such as weak will, is the fault of the type B blood.Type B blood is one of the temperament characteristics, it is free.
　
[type]
　　Type A blood,The advantage of people is gentle, careful, careful, humility, introspection, emotional, compassionate, sacrifice, harmony, depression and so on.Fault of the type A is worry love, affection, weak will, indecision, eccentricity, the social type, shy, pessimistic, and strong sense of shame, are prone to self-deception, etc.Type A person's temperament is characterized by "defensive".

[O]
Strong, confident, full of rational, clear mind, a calm demeanor, energetic, work ability, etc., areType O bloodThe advantage of people.Temperament stubborn, insufficient easy-going, treats people cool, open-minded, personal supremacy, informal, manners, and so on, these are the fault of the type O blood.