"More Of The Questions That Have Confused Me" joke

Why is it that people say they "slept like a baby" when babies wake up like every two hours?
If London Bridge is standing why is there a song about it falling down?
If the weather man says "it's a 50% chance of rain" does that mean he has no idea if its going to rain or not?
Can't anybody who has a job go in the "employees only" doors at restaurants? Shouldn't they be more specific and say "employees of THIS place only"?
Why do doctors leave the room while you change? They're going to see you naked anyway, aren't they?
Did you know there is a page 666 in The Bible?
If you could walk through the walls, wouldn't you fall through the floor?
What does the T in T-Shirt really mean?
Do birds pee?
What does OK actually mean?
Why do we say "bye bye" but not "hi hi"?
Why is it called a TV set when there is only one?
If Jimmy cracks corn and no one cares, why is there a song about him?
Why are they called goose bumps? Do geese get people bumps?
Why can magicians make things disappear into thin air, but not thick air?
And Why do people point to their wrist when asking for the time, but people don't point to their crotch when they ask where the bathroom is?