I stopped... that's all... I used to smoke for years but when I stopped, I just stopped... didn't have any problems.

Marijuana is not addictive in the sense that body begins to crave it. But you can develop a habitual addiction - much like someone who get into the habit of wiping their mouth after every wipe or avoiding stepping on cracks on the sidewalk.

It's all a matter of changing your patterns. If you were using pot to help you get to sleep, then find something else that will lull you to bed - read a book, turn on music or the tv with the volume low, drink warm milk, or eat a slice of turkey.