He didn't mean to look so shocked, it wasn't that he was shocked at the mention of sex (not by a long shot), it was more that he was shocked that people's sexual memories were invading his wife's brain. Though he had seen the way people around their building behaved, it shouldn't have shocked him quite that much.
"So you weren't like a spectator you were actually remembering it like you were there?" This was definitely strange. He didn't have an explanation for her and that went against everything he stood for. He furrowed his brow, "I don't know honey, I've got nothing." He said shaking his head.
"So..." he said after a moment, "This woman, is she someone I ought to introduce myself to?" he teased.