Originally Posted by
littlesister1 
There is nothing I can do - it's so hard to REALLY get that, if that makes sense......
Yes, it makes sense. I am so sorry for your dreadful situation, littlesister. I don't have much advice, other than calling authorities to do a well check on your brother if you're really worried about him - they can bring him to a hospital if needed.
And take good care of yourself.