Thank you for the query.
Generally liver transplant
is the best choice indeed. Without it, the symptoms will be gradually getting worse. Chronic liver disease
is irreversible disease and not much can be done to improve liver condition. Diet has some impact to this disease, but please do not expect much from good diet.
He should avoid alcohol, fatty foods, spicy foods, fried foods. He may also try liver improving supplements (available without prescription).
He should have bilirubin
and liver tests controlled regularly. His confusion and abnormal behavior is caused by toxins accumulation due to bad liver function.
Hope this will help.