Your problem is not when your out of cocaine, your problem is cocaine!. And when you have no cocaine you go to a meeting and talk it relieves the stress..
You need to change your life around now, your normal daily routine has to stop!
Start at the gym.. go for walks, runs. Take up some new hobbies! Anything! Have a good think and write a daily plan and stick to.it.. ive took reading and im loving it!. Have faith and believe in yourself.
Your stuck in a rut and need to get out of it. New hobbies and a new routine will change your mindset. Trust me ive done it and i feel better and fresh!
You just need to get over that 1st hurdle. Take baby steps.. 1 step at a time.