I understand you. And i have suffered from it for 2 years. I can definetely say that like major depression, it is very difficult to treat anhedonia
on your own and often it is impossible to do. Since in most cases anhedonia is a symptom of some other disease, and it is necessary to treat the disease itself. Anhedonia will disappear throughout the treatment.
However, there are a number of tips dealing with anhedonia which have helped me:
The correct day regime – good night’s sleep, regular meals, and physical exercises;
The diet should consist of several sources of serotonin – chocolate, fresh fruit;
Focus on pleasant and positive moments, try to do everything on your own in order to make a moment positive and pleasant;
Psychotherapeutic correction such as Gestalt therapy, behavioral techniques, psychoanalysis;
Pharmacological correction – doctors may prescribe antidepressants.