Quit smoking 8 days ago - started Chantix 2 days ago; so far so good.
I do notice a sort of "dullness", presumably from the Chantix...not a bad feeling, but noticeable.
Understanding the addiction - psychologically, chemically, and physiologically seems to help me the most. I suggest everyone trying to quit take a look at this site:
WhyQuit - the Internet's leading cold turkey quit smoking resource