Great intro. Your problem is no different then 1000's of others that have joined this site and have been successful.
First things first. This will be the last time you say you don't know if you can. That is so far from the truth and it's the first lie you must overcome.
With the knowledge and accountability this site offers you can and will defeat this foe.
Go to top left and read what's in the welcome center. Learn how and why we post roll. Pay particular attention to why. You can keep your word for a day, right? That's all we require my friend. We beat the poison by using accountability, our word, determination and drive.
Start reading everything you can on your addition/nicotine. There is a lot of good information on this site. Look around, get acquainted. It's time to take back what belongs to you. Lets start with your dignity and integrity.