Know how to effectively voice a complaint or make a claim at a retail store.
Know where to find the sunrise and sunset times and note how the sky looks at those times, at least once.
If you're wondering if you're dreaming, you're dreaming.
Be able to analyze statistics, which can be used to support or undercut almost any argument.
An ounce of sequins can be worth a pound of home cooking.
Be sure to expose yourself to criticism: A fine polish requires an abrasive.