China Naming Network - Almanac query - How accurate and reliable is it to analyze people's personality according to their constellations and blood types?

How accurate and reliable is it to analyze people's personality according to their constellations and blood types?

In fact, these are all unknowns. In the west, when a person first comes to this world, the unknown of all celestial bodies at that moment determines his character. As upstairs said, he is a statistician. In the west, some professionals are engaged in the study of the relationship between constellations and human personality, and their surprise discovery accuracy rate has reached 75%. I believe that one day, these unrealistic things will be explained scientifically and completely. Including blood type, this is a similar situation! Finally, everyone is different and constantly changing. You can play with these things, don't be serious.