Secondly, try not to face the toilet at the gate. You must build a shadow wall.
Third, the well can't be under the window.
Finally, if it is a sewer, put it behind the house, not your backyard, but behind the whole house. If there is rain and running water in the yard, it is open water. The direction of running water must be in front of the house, and the direction of running water should follow the direction that people often go out.
Mother-in-law and daughter-in-law must live separately. Five rooms, two rooms in the west are reserved for the elderly. Those three rooms are separated from these two rooms by a wall, and no doors can be left. The first room in the west is the old man's bedroom, and the second room in the west is the living room. Among the five rooms is the house of the head of the family, and your husband and wife's bedroom is the one in the middle. The one in the east is the guest room, and the second one in the east is the living room.