Type A blood,The person's psychology evolution process

Type A people when I was A child naughty capricious, adolescence have own idea, natural disposition is strong.

With the passage of time, enter society after university, accumulated a lot of experience, they have learned to good control their joys and sorrows, in front of strangers are always behaved for advice modestly, do things is also a low profile.

(Blood type and personality /xx/)

And in old age, it is a bit stubborn, don't listen to your advise.