What does the fortune teller mean when he says my son has a good brain?

It means that this person has a high IQ. The fortune teller said that my son has a good brain, which means: an affirmation of this person's IQ shows that this person has a high IQ. It means that a person's brain is easy to use, his mind is smart and his thoughts are wise. Therefore, many parents began to judge whether their children can have a good future when they grow up through various means, such as "grasping the week" and fortune telling. , can scientifically measure IQ and genes.