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Type O blood   whose personality changes with place

  Personality changes with the place, and this phenomenon can be seen everywhere.

  The most common thing is that some people smile when they leave the house, but become angry when they enter the house.

  Of course, there are also opposite examples. Some people are lively and cheerful at home, but become taciturn when they go out.

  In blood type research, this phenomenon of "personality changes with place" can also find a pattern.

  People with type O blood are lively and cheerful outside, can speak well, and are reticent and silent when they come home, sometimes like two people.