The Book of Changes says that the kitchen door is opposite to the bedroom door, which will make people angry for a long time, make their temper worse and make their families unhappy. The bedroom door facing the toilet will aggravate the humidity of the human body and lead to the weakness of the human body. So when buying or building a house, try not to choose the bedroom door opposite the kitchen or bathroom. If you want to crack it, you need to add a barrier in the middle of the door.