depressed chimps eyes reveal its emotional sorrow and inner sense of desolation

depressed chimps eyes emotional sorrow sense desolation sadness loneliness despair grief pain suffering isolation melancholy anguish heartache despondency misery hopelessness dejection helplessness forlornness sorrowful desolate disheartened gloom bereft downcast wretchedness lowspirited crestfallen woeful somber despaired dejected tearyeyed glum dazed defeated