I love this argument. If you take the drug the proper way, everyone gets high and has a good time, and it'll be a memory, you'll be convinced it's safe, and you'll treasure for a lifetime.
And see, so drugs are good, right? Only such experiences lead to more such experiences, and on and on.
Addiction doesn't stem from initial bad experiences, but exceptionally good ones. You should fear the latter many times more than the former.