I have smoked for 35 years and I am on day 43 and its still a struggle. I used Chantix to help me quit. 43 days with out one single cigarette. I am still on chantix but I am down to only taking one pill a day. Two pills a day was making me like a zombie sometimes and tired a lot. I made turkey dinner a couple of weeks ago and while I was putting the gravy on the table I realized I had forgot to make potatoes. Thank god I had instant potatoes for back up.With one pill I can at least function. I believe chantix helps but you still need the will power as with anything.