Don’t let anyone tell you otherwise — pot is self very destructive.
A brilliant kid can turn into a complete idiot on the stuff.
Initiative, ambition and self motivation are gone.
Life is put on hold. And the fear of facing the realities of life keeps them using. A life that is a bit of a mess because they are using. Compounds the problem. And they are probably exposed to other drugs.
Eventually, after years in a stupor, they stop and they find out that they have lost 10 years of their life.
Very important years that would have been spent going to college, getting a degree, and developing a career and starting a family.
Their lives are forever affected.
Save your boogey man pictures for the junior high school children, friend. They're the only audience impressionable enough to bite off on your silly rhetoric.
A brilliant kid can turn into a complete idiot on the stuff.
Are you relying on nobody being able to figure out that "can happen to someone" doesn't mean "will happen to everyone"? If that's the kind of argument you have to rely on you don't have much of a case.