Be able to draw an illustration as least well enough to get your point across to another person.
Be able to sneeze without sounding ridiculous. That means neither stifling yourself or spraying your immediate vicinity.
Be able to defend your arguments in a rational way. Otherwise, all you have is an opinion.
Be able to go shopping for a bathing suit and not become depressed afterward.
Be able to correctly pronounce the words you would like to speak and have excellent spoken grammar.
Be able to tell whether garments that look good on the hanger actually look good on you
Be able to notice all the confusion between fact and opinion that appears in the news
Be able to recognize when you're reading or hearing material biased to your own side.
Be able to read blueprints, diagrams, floorplans, and other diagrams used in the construction process.
Be able to meet any deadline, even if your work is done less well than it would be if you had all the time you would have preferred.
Be able to recognize many of the major constellations and know the stories behind them
Be able to live alone, even if you don't want to and think you will never find it necessary.
Be able to hiccup silently, or at least without alerting neighbors to your situation. The first hiccup is an exception.
Be able to decline a date so gracefully that the person isn't embarrassed that he or she asked.
Be able to describe anything visual, such as a street scene, in words that convey your meaning.
One cannot inherit a talent for the violin - there are no violins in nature. Instead, one must be motivated, able to benefit from practice, and persevering.