 Now, what caused it was there's a dementia. Now, what caused the dementia? We don't know that it's Alzheimer's. We don't know that it's stroke-related. Remember, Joe has a history of heart trouble, very serious heart trouble. I think he even had an aneurysm at one point, too, removed. All connected with that. So could he have had many strokes and cumulative damage? I would say that's a possibility. I'm not a doctor. Just using my head.