loneliness epidemic, solitary confinement as torturer and isolation kills concept with wood coffin locked in a black cage

agony alone anguish concept confinement danger dangerous dark darkness death depressed depression despair desperate destructive dread emotion fear grief hopelessness hurt isolated isolation loneliness miserable misery nobody ominous one pain phobia psychology punish quarantine sad sadness silence solitary solitude sorrow suffer suffering suicidal suicide torment torture tortured trouble troubled unknown