This was found on the Whimsical Wits website. The author is not known.

The young novice nun soon realized that the absence of sex in the convent was a problem. She confessed to Mother Superior that it was unhealthy and she was restless.

“Comfort yourself with a candle,” she was advised.

“I’ve tried that,” she said, “but you get tired of the same thing wick in and wick out.”

Lowrie B. reminds us of the Rules of the Nunnery: Lights out at 10; candles out at 11.