Our children are obese, either have or being threatened by diabetes, high blood pressure, high cholesterol, and not socially adjusting properly to others because of a lack of fitness. ↗
It has become almost a cliche to remark that nobody boasts of ignorance of literature, but it is socially acceptable to boast ignorance of science and proudly claim incompetence in mathematics. ↗
Scratch the surface of what's socially normal. I suppose in some way all of us have something we display to the public and things we feel too ashamed of or uncomfortable with to reveal to other people. ↗