I do understand it is stressful and I do sympathize with the whole ordeal. but please don't say he doesn't serve the purpose on
Earth. He is still somebody's child and actually your brother. It saddens me you feel this way. Your parents still financially support you ( or at least help) in your late 40s so it's not like they neglected you and only took care of him. You aren't in his life so I am not sure how he causes you stress?

Addictions are tough. I had family members with drug or alcohol addictions. At this stage he can't really quit, he is too ill to quit

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