Thank you, Asterisp. I think I'll have to find out what tax advantages they would get, because I think I live in a place where that happens. But I'll probably opt not to tell them, or to not tell them immediately. (I'd still like replies if anyone has any relevant info though, more info is always good.) I don't think my behavioral problems are very bad, and the disadvantages seem like they'd outweigh the advantages for me.
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"You gotta keep making decisions, even if they're wrong decisions, you know. If you don't make decisions, you're stuffed."
- Joe Simpson