My grandmother was a smoker, and the story goes: she sat my mom and aunt down when they were in 8th/9th grade respectively, in the living room, and made them li

My grandmother was a smoker, and the story goes: she sat my mom and aunt down when they were in 8th/9th grade respectively, in the living room, and made them light up and smoke a cigarette each. To the end. It was a sickening, mildy traumatic experience and as a result neither of them ever smoked again. I'm unsure whether introducing other vices this way would have similar outcomes, but there's a lot to be said for simply removing the allure of secrecy and taboo.