We are used to putting dragons first, which means living in the East is not good for our eldest son. Generally, we choose the southeast. If it's in the west, it's different. According to the western longevity water law, it is good and belongs to the angry side. According to feng shui theory, it is also called the white tiger to open its mouth in the west or southwest. If the time is not good, there will be adverse phenomena such as lotus lawsuits. If it opens in the southeast, it will be Longkou.
Some geographers think that it is a very lucky phenomenon if the dragon opens its mouth. On the one hand, it's called Feng Shui, and it's also called Tiger, Baolong and Daifu. In the southeast, it is also called Tiger, Leopard and Dragon. Generally speaking, we will choose to open a room in the southeast.