In numerology, Xin is a god, Xin and five elements belong to gold, and in the direction of geomantic omen, due west and northwest belong to gold. You can choose to sit in the house facing east and west or southeast and northwest. Indoor, try to choose these two directions to sleep or work.
But not every house facing east or south-east is good feng shui, and the layout of the house should meet the conditions of good feng shui.