Why do doctors call what they do “practice."

Why is lemon juice made with artificial flavouring, while washing up liquid contains real lemons?

Why is the man who invests all your money called a broker?

Why isn’t there mouse flavoured cat food?

Why didn’t Noah swat those two mosquitos?

 If Superman is so smart why does he wear his underpants over his trousers?

If swimming is good for your shape, then why do the whales look like the way they do?
When dog food is new and improved tasting, who tests it?

Did you ever notice that when you blow in a dog’s face, he gets mad at you, but when you take him on a car ride, he sticks his head out the window?

Why do toasters always have a setting that burns the toast to a horrible crisp, which no decent human being would eat?