What are some stupid things that people do?

1. The instructions were not being read.Not learning the value of practice.
2. The value of experience is underestimated.
3. When study is the only thing that will save them, they are unprepared because they don't know how to study.

Procrastinated.That is all.

1. It is the greatest waste of time yet invented.They don't realize their own biases.
2. They don't understand the biases in those they care about.
3. They underestimate the stupidity of themselves.
4. They think others are stupid.