How to quit smoking cigarettes by using the 420 system

What is the 420 system? I used the 420 system to quit smoking cigarettes, all across the world, the phrase 420 is used by many cannabis smokers, as a time to smoke cannabis. I had a bad heart attack and was told by my doctor, that I had around 15 years left in my life. And if I did not stop smoking cigarettes, that time would be cut short. Even though this hit hard, I still could not stop smoking, I tried the nicotine gum, the nicotine patches. The pills. Nothing seemed to help. But cannabi...