For parents, the smarter their children are, the better. Which parent doesn’t want their children to be smart? How can we make children smarter? As a parent, you must know that 0-6 years old is the golden period of child development. Whether a child will be smart or not in the future depends on whether parents do the following four things well during this period. There is no need to attend any early childhood education classes, and the results are very good. …