hey my friend you can do it! its rough as hell but possible and it will not kill you we are in this together and we will win, you have done the hardest part, coming here and making that decision, and promising all of us, it is minute by minute hour by hour day by day! I had just purchased a case of grizzly and had 4 tubes on hand when i quit 73 days ago. click on my name and read my introduction, then pm me I will exchange numbers with you, that way I will always be available should ever feel you are going to cave or just need a friend. any one can use it but only the special and strong can say NO!