What gives you the impression that I know nothing about it?
And most people that use meth can tell you that they arent addicted either. They just let it consume their life because they like it. Alcoholics typically say they dont have a problem, even when everyone says they do.
http://www.cesar.umd.edu/cesar/drugs/marijuana.asp
Read the section about physical effects and under the heading of "Is Marijuana addictive?". You will find exactly what I said. There is no real proof of physical addiction, but there is plenty of evidence to call it psychologically addictive.