I am not a cleaning frick, yet, I consider myself as a neat person. My things are categorised and easy to find. This means that I hardly ever can find something missing or in a wrong place.
Just before Christmas, I decided to go through stuff and throw away unnecessary things. I found that there are several socks which lack the pair. How did it happen? A sock cannot go with water from the washing machine. There are no used single socks in the basket. I have not many corners to hide in the apartment. How did they escape? These socks just vanished!