smoking cessation
"My boyfriend has been smoking for about 16 years (2 packs/day). He started taking Chantix 6 days ago and I'm already seeing a difference as is he! 
I noticed the "need" for him to get a fix is lessening. Before, if he didn't get a fix no one with him could be happy. All around now, he just seems happier and not so sickly. He actually SMILED in the morning before work in the early morning which never has happened before. His skin is starting to improve, he claims he's getting more sleep and his breathing/coughing fits have lessened slightly. Also, he's eating noticeably more which is great because he's very underweight at this point. I'm truly watching a miracle unfold in front of me. Today he noticed cigarettes are starting to taste bad."