“And Caroline? Speaking fo thin walls?" he said, as he opened his door and looked back at me. He leaned in his own doorway, thumping his fist on the wall."Yes?" I asked a little too dreamily for my own good.His smirk reappeared and he said, "Sweet dreams".He thumped the wall one more time, winked, and went inside.Huh. Sweet dreams and thin walls. Sweet dreams and thin walls...Mother of pearl. He'd heard me...”