He has anxiety, agoraphobia and high cholesterol. He takes lipitor and effexor. He is overweight mainly in his midsection and I think he has an eating disorder. He sees a doctor and a counselor. He was advised to lose weight but fasts rather than exercises. He is prone and inactive the majority of each day. Also has insomnia or a really messed up sleep schedule.
That his wife stayed with him and enabled his disgusting behavior, and
That she didn't die before he did.
The human body is like a machine that's designed to live a long time, even when it's improperly taken care of, as long as it has someone taking care of it. Remove that caretaker and oddly enough, the person suddenly has to take care of HIMSELF and that's when everything miraculously changes.
No one can help him if he does not want help.
This is a choice he makes for himself.
If you or other family members are enabling this behavior it might be time to stop.