Everything one says or writes, no matter how clear, can and will be misunderstood by a large percentage of people, for reasons too numerous to list.

Teens think listening to music helps them concentrate. It doesn't. It relieves them of the boredom that concentration on homework induces.

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.

Understand why casinos and racetracks stay in business - the gambler always loses over the long term.

Be able to tell whether garments that look good on the hanger actually look good on you.

No one would choose to be jerked randomly off task again and again until you have half a dozen things you're trying to get done, all at the same time.