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1.A type: A type blood people about the concerns described as unavoidably, even if others repeatedly said sure no problem, they will not help autonomously fear things are going.
2.O type: O-type people seem to live free-spirited, the people intended to feed to worry about , but they have great mobility , worry about something they would carry out the action, the initiative to eliminate concerns.
3. Type AB : As an individualist , Type AB people think that it is better to keep others' things under control, so even if they express concern, it will last too long.
4. Type B: Basically, I don't know what the word "worry" is. Even if everyone expresses serious worry, they will easily say "It's definitely okay."