I have written many great ways that helped me, but the most important thing is that you must WANT to kick the habit and if you do, then you need to start thinking with a Positive Attitude and keep telling yourself that you can and will beat this addiction. I never thought I could do it and I did by these two simple ways.
Believe and you will Achieve !!!
All the best to you, and never give up on yourself and you will accomplish what you have set out to do.