I've written about it a few times. It's a story that needs many parts. Here are two stories that I particular like: https://medium.com/p-s-i-love-you/the-last-time-i-had-sex-with-my-wife-665fb386b0b5. https://medium.com/counterarts/a-letter-to-my-ex-wife-before-she-marries-37d03aa5f232