OMG, yes, Doris. I felt absolutely terrified at first, too. Honestly, I think that feeling of anxiety and panic and fear of what life is going to be like is nearly universal among those quitting addictions of any type.
The only thing I can tell you, and I mean this with all my heart: it is going to be all right. Please keep writing here. Maybe go over to the SMART website and check them out too, maybe even try a meeting. Do stuff to distract yourself. And as the days go on, you'll see that you CAN do this, that the world keeps spinning, and you will feel better and more confident.
Also, we've got your back.