Yes, I think a professional would be a great help in helping sort through all the feelings you are having. I can't imagine what the two of you have through. The pain he must be feeling from all his losses and impending death. And you having to stand by a watch, must be very hard.
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Bipolar I, Depression, GAD Meds: Zoloft, Zyprexa, Ritalin
"Each morning we are born again. What we do today is what matters most." -Buddha