Even they did not know the Nobel Prize (an award which is given annually to those who have done research and contribute to the community).
Seeing these conditions the authors suggest that parents should not be too demanding child to always look beautiful. Therefore, it can make the child feel how important it is to have a slim body, a pretty face and beautiful hair, than to have extensive knowledge and intelligent nan brain.
You certainly do not want to when your child was a teenager and want a botox treatment, excessive dieting, and breast surgery. Allow your child to develop according to his age, invite them to play in the park, read books, make art projects together, and other things that can make developing knowledge.
The next time you're with child or meeting your brother with a girl, do not rush and praised the beauty of his face is adorable. Ask them, what is your favorite subject in school lessons, what books he was reading, and so on. That way, the conversation will evolve and develop the mindset and intelligence of children, especially girls.