What are you doing up so late, staring at the computer screen reading this? For that matter, what am I doing up late writing this at 11pm? Are we all nuts?
A stupid person is a person who causes losses to another person or to a group of persons while himself deriving no gain and even possibly incurring losses.
an introduction to the official duties and various public activities of Their Majesties the Emperor and Empress, and other members of the Imperial Family, ...