Answer: Anhedonia
Explanation: Anhedonia is the inability to feel pleasure. It's a common symptom of depression and other mental health disorders.
People with anhedonia may feel numb or less interested in things they once enjoyed.
They may also have reduced motivation.
Anhedonia is a core symptom of major depressive disorder. It's also a common symptom of substance use disorder.
Anhedonia has been studied in different neuropsychiatrie disorders.