Answer:
a person who has great responsibilities, such as a king, is constantly worried and therefore doesn't sleep soundly
Regret,
unhappiness,
sadness,
ruefulness,
grief,
sorrow,
gloominess,
mournfulness,
lugubriousness,
sorrowfulness,
rue,
ruthfulness.
Antonyms: happiness.
Complete the sentences. Use the passive voice. Omit the agent where necessary.

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The answer is a furniture because all others are uncountable