I am so sorry. This is so difficult for you, I know.
No one can, honestly, tell you what's going to happen next. It could be hours or days or weeks.
Do you have medical power of attorney? If so, you can have him hospitalized. Ammonia levels can get very high, very quickly as liver function deteriorates. This can cause unpredictable behavior.
Do you have anyone who can help you? You really shouldn't be alone. Maybe call a neighbor or family.
Please keep messaging.
Let us know what's going on, how you're both doing.
Fiance had HCV, cirrhosis, ESLD, ascites, and portal hypertension. Was transplanted June 2004. Now, on interferon and ribavirin. Hepatitis C is back.
If God brings you to it, He will bring you through it.