Hi Littleone
I honestly don't know from experience if interventions work. I would guess that some do. In my experience, nothing helped with my A until HE was ready for help. Until he was ready, he didn't hear a word anyone said. It is possible that hearing words from someone in the same position as him could help him "see the light" but again, I would think he needs to want to see the light.
I truly hope things work out for you whatever you may decide to do. Keep posting and look out for yourself. No matter how much we love them, we can't do it for them but we do have control over having a happy life for ourselves.
Many hugs.
Love,
Debbie