My Wife: “Grandpa had to clean the pool last week because it was full of algae.”

Me: “Do you think he was scared of the sharks in the pool?”

Lucy (7): “No!”

My Wife: “Maybe he was scared of the jelly fish.”

Lucy: “No!”

Me: “Why not?”

Lucy: “Because swimming pools have chlorine and sea animals don’t like chlorine.”

Well, fine if you want to get technical. :-p