“Have you ever actually seen one before?”

“Well, no. Now that you mention it. But there’s lots of stuff I’ve never actually seen. That doesn’t mean that they don’t exist.”

“What, like air?”

“Yea, or ideas.”

“Ideas? What the hell does that mean?”

“Don’t get all ugly man, I’m just saying.”

“Saying what?”

“Nothing. Forget I even mentioned it.”

“Right.”