Know what to do if you feel faint or dizzy, especially if you might fall and hit your head.

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

When our spelling is perfect, it's invisible. But when it's flawed, it prompts strong negative associations.

Be able to keep a secret or promise when you know in your heart that it is the right thing to do.

Almost all of the finer things in life are free or nearly free. You don't have to pay for the sky at night or snow in the morning or a kiss on the nose when you're sick. Forgetting that may put you at the mercy of those who seek to profit by convincing you to want whatever it is they have to sell.

Learn at least two classic ballroom dances, at least one of them Latin.

I've never found an interesting person with a foul mouth.