If you are not alone, you will be widowed.
This proverb is the requirement of rural people to move towards high and low layout when building the foundation of their houses. Literally, if there are mountains or high slopes in front of this location, the back is relatively low, such as mountains or depressions. Live in this house for a long time, or die alone or widowed.
When we build a house, most of us sit facing south, because the north wind blows in autumn and winter, which means it will get cold. If there is a depression behind the house and the north wind blows directly into the house without being blocked, the house will get colder and colder, and there will be mountains in front of the house to block the sun. There is no warm sunshine in the room, and with the cold north wind, the room will be cold and humid for a long time, so I live in this cold environment. Therefore, when building houses in rural areas, priority will basically be given to places that are accessible in front and close to mountains and rivers.
According to the present statement, the front of the house is too high to stop the sun. If there is no sunshine for a long time, the room will be cool and humid, which is easy to breed bacteria and viruses, thus causing certain harm to people's health. Moreover, there will be water in the depression after the rain, which is also a threat to safety.
Therefore, loneliness seems superstitious and exaggerated, but it actually makes sense.