@Xebenatros I used to smoke for years before deciding to go cold turkey and quit one day. Sure, it was tough fighting urges for a week or two, but I never looked back after that. It can absolutely be that simple.
@Assassinsc99109 You clearly didn't watch it because there hasn't been any weed or other drugs for that matter in the show, just cigarettes and nicotine patches. The show is also not trying to normalize smoking. If anything, it's showing us how gross it is