My wife and I smoked for 35 years. Two years ago one of her doctors told her she needed to quit. He suggested getting an ecig with the highest amount of nicotine she could stand and to use it as much as she wanted. We bought one for each of us, and two days later when we smoked the last of the cigarettes we had left, we started our ecigs. 4 months later we were down to juice with no nicotine. Three months after that, she wasn't using her ecig anymore. Two months after she put hers down, I did the same. Haven't had a problem or craving, even going out to a bar. My wife gets out her ecig when her best friend comes to visit, because she smokes. But that's just in case she gets tempted. My advice for an ecig is, don't cut back on your cigarettes while you are using your ecig, IT DOES NOT WORK. Have your last cigarette, then use your ecig as often and as much as you like. I have known MANY people who have tried to do both, and not one of them has quit. They say it has helped them cut back and they are almost there, and a week later, they are back to a pack a day and the ecig is in a drawer.