"What is the secret of life?"

"He said science was going to discover the basic secret of life someday," the bartender put in. He scratched his head and frowned. "Didn't I read in the paper the other day where they'd found out what it was?"

"I missed that," I murmured.

"I saw that," said Sandra. "About two days ago."

"That's right," said the bartender.

"What is the secret of life?" I asked.

"I forget," said Sandra.

"Protein," the bartender declared. "They found out something about protein."

"Yeah," said Sandra, "that's it."