Have enough sense to know, ahead of time, when your skills will not extend to wallpapering.

Multi-tasking arises out of distraction itself.

Make a habit of canceling every subscription to anything you don't have time to read

Be able to back up a car for a considerable distance in a straight line and back out of a driveway.

Know the official post office abbreviations for all 50 states without having to consult a list.

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

I would not encourage children or teens to multitask because we don't know where those efforts may lead.