Trying to quit smoking may be one of the hardest challenges you ever have to face, and at times it may feel like it's more trouble than it's worth. As with any addiction, a lot of people will go fine for a spell until they are engulfed by something particularly stressful. This set back can completely reverse the recovery process, which is certainly the opposite of what you want to happen.
To truly quit once and for all, you require something else to distract you. There are a lot of nicotine gums and the like on the market, but the problem with them is that they're actually still feeding your body's addiction to nicotine. Often, there is more than one aspect of the addictive behavior that you have to deal with.
One is an addiction to the physical action of bringing the cigarette to your lips, while the other is concentrated in the psychological and chemical processes taking place. In order to completely trump smoking, you have to battle all facets of the habit.
Quitting cold turkey works for some people, but more often than not it results in failure. However, there are aids available that are completely nicotine free that will at least do away with the actual inhalation of smoke.
Some examples of this are the e-hookahs at Nirvana410.com. They actually come in a variety of distinct flavors and they're smoke, nicotine and ash free. It will help you beat the chemical addiction, but you'll have to stomp out the remnants of the physical side on your own.