How about building a fish pond behind the house?

You can't dig a pond within 50 meters in front of and behind the house, let alone build a fish pond. This is a taboo in the geomantic omen of Yangzhai, ranking 14th and 15th in the "Fifteen Taboos of Geomantic omen of Yangzhai". When the owner loses money in one year, the family is prone to serious diseases such as lung and esophagus in three to five years, which is called water breaking the heart. The poem says, "As long as the water breaks my heart, everyone at home will be in tears ...".