If he really isn't drinking, those ate not good signs. Unexpected things can happen when you have cirrhosis. It's time for a Doppler ultrasound or a CT scan, don't you think?
Cheers,
Mike.
The distended abdominal sounds like ascities and the slurring speech could be hepatic encephalopathy.
He needs to be under the care of a hepatologist to evaluate his symptoms. Best of luck to you both.