Children's intelligence is related to the choice of gay friends. Not all families have higher IQ than Dabao. Only 50% people know about biology. Actually, intelligence has nothing to do with the first child and the second child. The most important thing is the selection of genes. When the baby forms an embryo, he has already chosen the gene that suits him through self-selection; In other words, children's intelligence is related to genes, which does not mean that children who have a second child must be smarter than those who have a first child! In many families, Dabao is more intelligent than Bauer. You should know that this is a 50% probability question. Either Dabao is smarter or Bauer is smarter. There is no absolute statement.
As Dabao grew up, his family had long forgotten Dabao's cleverness and thought that Bauer? Smarter? So is Bauer really smarter? Even feel beyond the original Dabao? In fact, careful recollection reveals that many family members have long forgotten Dabao's cleverness. With the passage of time, in fact, many childhood memories have been covered up. When we think Dabao is not smart, we will find Dabao's intelligence is also very high. The reason why Balbi Dabao is clever is because we have long forgotten Dabao's cleverness, and naturally feel that this new Bauer is relatively smarter! It is the brain's preference for cute Erbao that makes us think Erbao should be smart.
Children's intelligence is related to genes, and has nothing to do with having a second child or a first child. It is not recommended that the second child be smarter.