I never actually smoked. Had a chance once a few years ago, the next day I found out I was being hired by the feds. But I don't like smoking anyway, I have asthma and allergy issues.
Well, I'm on a shoestring budget. I rarely buy booze when I'm out (a decent martini will run me about $8-11 where I live), and while I don't buy the highest quality booze (my palate isn't discerning enough to deserve that), I can't stand the cheapest. So I'm typically spending $14-22 for a bottle of something or other, which right now I can't afford to do very often.
Meanwhile, I can buy a 2L bottle of Diet Coke for $1-$1.50 or so depending on sales.