The adjectives which best describe the traits of each blood type are as follow: Type A is considerate but shy, B is creative but whimsical, O is sociable but unorganized and AB is rational but calculating. xXX cells are an "O" in undifferentiated state, and are therefore considered sociable but unorganized.
Cells of O type blood are required for implantation.
Among young women conversations such as "My nature doesn't match with '0 group' cells" or "I will never go out with 'B group' cells" are frequently heard.