"Personality" is not fixed, it will with the change of time, place, situation, and constantly changing, can't use "a" or "a phenomenon" is easily determine its "nature".Through blood relationship, though we still can roughly estimate the everyone's personality changes, do a little "prophecy".

Type O bloodThe character of the biggest changes over time.

In the young people who have just started work, type O blood men tend to be honest, loyal to the higher authority leadership docile, easy to lead the good will.After entering adulthood and also have some work experience, they began to actively publishing, express themselves, sometimes seems too hard.

Type A blood,People just and type O people just the opposite.

Fortitude character when I was younger, stronger everywhere, to the society, accommodating the growth of the age, they began to restrain themselves, show the steady modest manner, is easy to become reluctant to err on the side of caution.Generally in age, however, and more stubborn.

Type B bloodThe person's age change on temperament.

However, sometimes by cautious evolved into yali, but this is not a personality change, but because of the familiar with the surrounding people and environment.Because of this person's personality from childhood to old little change, relatively speaking, can let a person feel they live more and more young.

AB bloodPeople along with the increase of age, mostly appear "dramatic" personality changes.

Young children and teenager very be shy with strangers, do not wish to contact a stranger, but with the growth of the age, slowly become a different kind of people: actively, good advice, communication widely, natural and graceful to people, good at communication.But, may be too confident, when they are about their achievement and contribution complacent, he became arrogant.