It is not easy to quit because of the cravings associated with withdrawal .Just a will to quit isn't enough.
It has been seen recently that many of the herbs used to treat addiction in traditional medicine help to control craving associated with withdrawal from substances like nicotine and other drugs.
There are products like
Crave-Rx which contain herbal ingredients to reduce the craving for nicotine due to their balancing effect on the brain chemicals known to be associated with addiction and help to prevent the sugar cravings and compensatory overeating .
Maybe you could try this out .