Know what happens when an individual declares bankruptcy and how it affects his or her life.

How can we live in freedom and maintain that we are entitled to *anything* that we can't get without the labor of others? Remember, if we are entitled to the labor of others, that makes slaves of those others.

The chess player who develops the ability to play two dozen boards at a time will benefit from learning to compress his or her analysis into less time.

It is a lot easier to prove that you don't love someone than it is to prove that you do, but one of the best 'proofs' I know is the desire to devote time to the person with no expectation of any sort of compensation, including gratitude, in return.

Know how and how much to tip people who expect gratuities, even in the case of poor service.

Be in the habit of experimenting with your clothing so that you don't get stuck for life with a self-image developed over the course of high school.

Be able to suffer wearing a necktie or slightly high heels for an entire evening without complaint or early removal.