Hi. I went through your query and can understand what you must be going through. From what you have mentioned, you seem to be suffering from an underlying depressive disorder resulting in all your symptoms. Depression is a treatable condition with the help of medications and counseling. You should get yourself evaluated by a psychiatrist and get your treatment started accordingly.
Next Steps
Seek a psychiatric consultation.
Health Tips
Start exercising daily. Also start doing relaxation exercises like meditation and deep breathing.