He blames Lonnie, his wife of 26 years, for tearing the family apart and said Ali would be “mad as hell” if he knew what was going on.
He said: “The worst thing to happen is not the illness, but his wife.”
In an exclusive interview, Rahman broke down in tears as he admitted he would rather his brother died now so he can escape his suffering.
Rahman revealed: “My brother can’t speak — he doesn’t recognise me. He’s in a bad way. He’s very sick.
“It could be months, it could be days. I don’t know if he’ll last the summer. He’s in God’s hands. We hope he gently passes away…