I guess this topic is the most difficult to answer because many have tried and many have failed. This is not to brag but I did the quitting in one day and after a month that's when I declared that I am free from nicotine addiction. The thing is something happened to me - chest pains that I thought I would die. I prayed fervently and promised that if I live then I would stop smoking. That was morning. The pain persisted until early evening and only after dinner did the pains left me. That night I repeated my vow and the rest is history.