Hommood is a smart home that could detect your mood and make you happy by changing the color of the walls, playing your favorite music, sending forth your favorite fragrance, etc. However, people will rely on it. They would gradually loss the ability of regulating emotions, just like staying too much time in air-conditioned room, people would hard to live without the air conditioner. What will happen if people need to leave Hommood after they have developed dependence on it?