You are right. When the body goes, there is no sustenance to the soul (brain activity), and both die together. It is wishful thinking, at best, to think that the soul (spirit, essence, thought processes) can exist without a functioning brain.
Married ten years, and more in love than ever, Robert and Marcie have everything to live for. But a terrible secret is breaking Robert's heart: he knows that Marcie is about to die...
Ron