1, because the bedroom is a relatively secret place, which is not suitable for people with discerning eyes to see where it is going.
2. The living room is a place for rest and entertainment. From the perspective of geomantic omen, it is not suitable for the flow of valves and affects the integrity.
3. From a practical point of view, the living room has entertainment equipment such as TV. If there are two people at home, one wants to watch TV and the other wants to sleep, if there is a door, it will cause certain conflicts and affect health.
I hope I can help you and adopt it.