two people who each think they’re having a secret affair with the other’s identical twin and just really good at hiding it...
two people who each think they’re having a secret affair with the other’s identical twin and just really good at hiding it except actually neither of them have siblings
Every now and then I think about how Escape (The Piña Colada Song), well-established in the culture through my childhood, was about a couple rekindling the spark by trying to cheat on each other with each other, O. Henry style