I've seen what prayer can do that doctors could not do. Christ does heal but, not always here on earth but, in the hereafter. I know that does absolutely nothing to console you or help you accept the unexpected loss of a friend but, I believe it is true.
I also believe that there is a time and place for prayer to be combined with medical doctors and/or natural medicines. Certainly, it was that time for your friend, had his particular faith not gotten in the way.
All I can say is that we each have our own spiritual paths to follow. I have always posted comments on "religious" threads that if a particular path works for you, that's great. Just don't impose it on everybody else. (For that I have been called a witch and worse.) I see you feel the same way about faith.... so apply that to your friend and his wife. That path worked for them on some level deep down. What happens to his family is in God's Hands now and they will believe it is God's Will for them. Who are we to argue? They are fortunate to have such caring neighbors.
Sorry for your loss of a friend. It can really hurt sometimes.
“It is the food which you furnish to your mind that determines the whole character of your life.”
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