Someone else around SR is in a similar situation, unless it was me talking to you under another alias over on the marketplace!
Either way, I'm terribly, terribly sorry to hear that your mom's health has taken a negative turn.
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Has your mom also had strokes alongside the kidney/liver damage? If the strokes are what has caused her mental functions to deteriorate, then that might be a separate issue from the kidney/liver failure. Obviously I'm not a doctor, so I don't know, but I wanted to let you know you're not alone. Even if you were the one I was talking with over on SR!