The next morning, Belle went downstairs to collect her deposit, dark circles under her eyes.

As the landlady handed over the money, she chuckled, "Those two next door fucked again in the middle of the night?"

Belle’s face flushed with embarrassment.

The landlady shook her head, "What's there to be shy about? Just knock on the wall, and they'll quiet down."

As she finished speaking, a young man and woman came down from upstairs, greeting ...