Advantages and disadvantages of various blood types

Blood type is neither good nor bad, nor is it absolute. I can only say that it has an impact on personality, and the key is me. Each has its advantages and disadvantages, and everything has two sides. For example, type A people are cautious, you can say that they are cautious or serious, type B people like freedom, type AB people are smart but argue irrationally, and type O blood is lively but unruly, depending on which way you look at it. Besides, the blood type is hereditary, not artificially determined, no matter which blood type is missing.