"This house," said the real estate salesperson, "has both its good points and its bad points. To show you I'm honest, I'm going to tell you about both. The disadvantages are that there is a chemical plant one block south and a slaughterhouse a block north."
"What are the advantages?" inquired the prospective buyer.
"The advantage is that you can always tell which way the wind is blowing."
I ask my 85 year old grandfather at what age does someone lose interest in the opposite sex.
His answer was he did not know and suggested I ask someone older than him.