Be able to hiccup silently, or at least without alerting neighbors to your situation. The first hiccup is an exception.

Be sure to expose yourself to criticism: A fine polish requires an abrasive.

The difference between talking on your cell phone while driving and speaking with a passenger is huge. The person on the other end of the cell phone is chattering away, oblivious.

Know how to garnish food so that it is more appealing to the eye and even more flavorful than before.

Revenge feels right only to those directly involved. Justice feels right even to outsiders.

Know how to effectively voice a complaint or make a claim at a retail store.

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.