Thank you David for replying back. Greatly appreciate words of optimism. It keeps the spirits high.Yes you are right Positive Thinking keeps one going.
I will focus on getting him to eat a lot. He in general does not eat that much. But I try to get him to eat.
I saw in your signature 
HPV pos. Is 
HPV for good or bad. My husband has been told 
HPV is the main cause.