I started smoking as a teenager over 35 years ago. I tried to quit with ALL the recommended choices. I tried Nicotine gum, nicotine patches, Chantix, acupuncture and hypnosis. Via the internet I saw mentioning of e-cigarettes. I thought I might try that. I started with the 510 model and went back to smoking. I later noticed there were larger more powerful Ego type e-cigarettes. I gave them a try and there is no looking back. I stopped cigarettes completely on December 26, 2012. I have NO desire for cigarettes anymore. It was a little hard for the first 3 weeks not smoking cigarettes but once that threshold is crossed you have got it licked. I believe e-cigarettes have the potential to save MILLIONS of lives if all smokers were to convert.