BS! I smoked for 30 years. I had no real desire to quit even though I knew I should. I loved to smoke. Doing without cigs was not an option.
I tried Chantix just out of curiosity. It totally took away the need for cigarettes. I kept smoking but it was less and less until I realized that my prescription was up in 3 weeks. At that point I just quit buying cigs.
No withdrawal. No craving. No temptation. If you can take Chantix DO IT! (Not every one can.)