https://www.youtube.com/watch?v=sxYBAbV5UYAhttps://www.youtube.com/watch?v=ONJva0OBWgAhttps://www.youtube.com/watch?v=kcx0a2OAhN0그냥 슬프고 우울한 수준이 아니라무게감이 느껴짐