Spiritually asking, what’s an effective way to quit smoking for good?

I’ve been smoking for about 3 and a half years now ever since my senior year of high school. Now I think I’m at the point where I want to quit but cigs have become such an integral part of my life that I can’t even go a few days without smoking. What are some effective ways of quitting smoking. Preferably answers from ex-smokers please, since they can level with me.

How did you manage to quit smoking?

I want to quit smoking. I’ve tried several times before but the longest I’ve ever lasted was 1 week. My husband has agreed to quit with me but the last time we tried that we nearly killed each other. I know there is no easy way but some tips would be appreciated. How did you manage to quit? I know the nicotine is out of your system in just a few days but does the desire to smoke ever go away?