Why do we keep running over a string a dozen times with their vacuum cleaner, then reach down, pick it up, examine it, then put it down to give the vacuum one more chance?
The statistics on sanity is that one out of every four persons is suffering from some sort of mental illness. Think of your three best friends -- if they're okay, then it's you.
How do those dead bugs get into those enclosed light fixtures?
Why do people constantly return to the refrigerator with hopes that something new to eat will have materialized?
Why doesn't Tarzan have a beard?
Why do we press harder on a remote control when we know the batteries are almost dead?
Is there ever a day that mattresses are not on sale?
Just a few thoughts to chew on...