Yes I agree, you would benefit by having someone pay your main bills out of your SSI and then give you an allowance. You'll be limited in what you can spend, which for now seems like a good idea.
Are you engaged in anything to learn more about independent living? I see too many people here at WP who fritter away their lives primarily challenged by reaching the next level in a video game. I'm not saying you can never game, but by your own admission, it has taken over your life and your budget at times.
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A finger in every pie.