I totally agree with everyone word Blondie said.
You can not begin to decide what to do with your life until you get clean and sober.
You are wanting to run back to the security of being a JW because you feel so alone and depressed right now. You have to admit you are very physically and emotionally sick right now.
You have to address this first. Once your head is clear, take some advice here, and look into this high control cult called Jehovah's Witnesses. I left that relgion a year ago. I was raised a JW, so it was hard to leave but I had to for my own sanity.
That religion was part of the reason my own mother took her own life. Long story and maybe I can tell you all about it one day. But she too was hooked on prescription drugs, and went to rehab but was discourage from staying in a program,,,because the elders thought ,,,,,,, they could handle her problems. They could not and didnt even try. An alcholic or drug abuser has to everyday for the rest of their lives have some kind of support system, I doubt you will find it at the kingdom hall. My mom sure didnt and I know others who didnt.
Do yourself a favor,,,,,,,,, love yourself enough to get well, love yourself enough to examine this religion that is calling your name at your weakest moments....... funny how that happens huh? Believe me it is not Jehovah calling you home , it is fear , fear of being independant and strong. JW's want us to be in their total control, and answer only to them, so the first time you make definate steps to walk away,,,,,,, I can tell you the old mind control tricks start playing tricks on your mind.
I hope you go to AA or NA,,,,,,,,,same principal in both, just a diff, chemical. If you do,,,,,, please tell them about what religion you were involved with,,,,,,,,,,, you will get alot of comments from doctors who have dealt with JW's and how hard it is to break free from an addiciton to drugs and the addicition to that religion.
Concentrate on getting in detox and in therapy be open about your JW past. That is the only way to heal.