One day, two long-time, close, stale couples were having dinner together on a weekend when, after getting drunk, they started talking about their sexless marriage. Recently, a method to resolve sexless marriages that has become popular on social media is "couple swapping," which claims that simply swapping partners can bring a relationship back to the way it was when they first started dating. The two couples decided to try it right away, and they got excited cooking, watching movies, and even just touching hands. After their first couple swap, they decided to swap partners on a hot spring trip next...