You clearly have done no research on this discussion and would be best if you didnt contribute as nothing you say will hold any weight until you know at least a portion of what the arguement is about.
Weed is not hard to let go. Marijuana users can be physically dependant of the drug, but not psychologically addicted. Only in very rare sevre cases have people been found to be addicted to marijuana, mainly cases with those who were already not entirely stable from a psychological standpoint.