Experts say you can't concentrate on more than one task at a time.

Be able to draw an illustration as least well enough to get your point across to another person.

Scientists and creationists are always at odds, of course.

Be able to recognize the dangerous snakes, spiders, insects, and plants that live in your area of the country.

Know where to find the sunrise and sunset times and note how the sky looks at those times, at least once.

Stop asking for directions so much. Assuming that you're in a safe environment, pay attention and figure things out for yourself. Have the nerve to take a wrong turn now and then. You'll develop better working instincts and have more self-esteem too.

A 45-year old looks a lot like a 25-year old who's been out all night. And feels just as good about having survived the experience.