A lot of people don't know, the original character is will change, because some certain things, change, and some because of the change of time change.Although the character is in change, but we can still through blood factor is roughly calculated the change of a person's character.

Along with the changes of time,Type A blood,The person's personality and will be how to change?(Blood type and personality /xx/)

Type A person is just the opposite and type O people.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.