Why

Do we press harder on a remote control when we know the batteries are getting dead?

Are lemon pies made from lemons, and meat pies are made from meat, yet cottage pie is not made from cottages?

Do pedestrians push the button more than once when wanting the lights to change?

Why do banks charge a fee on 'insufficient funds' when they know there is not enough money?

Why does someone believe you when you say there are four billion stars, but check when you say the paint is wet?

Why doesn't glue stick to the bottle?

Why does Superman stop bullets with his chest, but ducks when you throw a revolver at him?

If people evolved from apes, why are there still apes?

Is there ever a day that mattresses are not on sale?

Why do people constantly return to the refrigerator with hopes that something new to eat will have materialized?

Why do people 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?

Why is it that no plastic bag will open from the end on your first try?

How do those dead bugs get into those enclosed light fixtures?

Why is it that whenever you attempt to catch something that's falling off the table you always manage to knock something else over?

In winter why do we try to keep the house as warm as it was in summer when we complained about the heat?

How come you never hear father-in-law jokes?

How do you know when you're behind a tree?