Asking the Lord for help and others for prayers is the best first step you can take. You can count on a prayer from me.
While it wasn't tobacco, the Lord took an adiction from me. One thing I can say is that you need to stop trying it all by yourself and turn it over to Him. Like the line from the children's song says "I am week, but He is strong".
Brother, hang in there, talk with the Lord on the tough days. If you're ever having a day where you just need someone to pray for you, my email is
jeffnles1 at insightbb dot com.