At the beginning of the year, I spoke to a good friend about getting married. We both wondered whether a "special" wedding day like 22 February 2022 would help us to have a long (and happy) marriage. For various reasons (not least the fact that all the registry offices in Munich were already fully booked), conducting our own experiment was out of the question. Fortunately, as a statistician, you have other ways of approaching such questions... Superstition has always played a