1, it is true that couples are different in predicting the outcome of their children, because everyone's fate is unique, just like the so-called world does not have two leaves. So it is easy to learn to predict. This conclusion is normal.
2. As an easy-to-learn prediction, analyzing problems from a speculative standpoint, especially the prediction of future events, is mostly macroscopic, and specific events will change because of the acquired activities of individual life.
3. Prediction is only a trend, macro and guiding thinking, which can't be taken for granted and may not be the case. The accuracy of our weather forecast this year is about 70%, not to mention our easy-to-learn forecast, which is only scrutinized by specific principles.
I hope my answer will satisfy you. If you have any specific questions, welcome to the fortune-telling street to find teacher Yi Ren, who will give you more detailed and patient answers.