I suppose a lot of it would come down to the details of her habit. On the surface, part of me would love it and part of me would hate it at the same time. I would LOVE it visually because I'd get to see my fantasies live in person. But my personal interaction with it would be VERY negative if she smoked all the time or at times when I was not in the mood or whatever. Part of the appeal for me is knowing that the subject has control over her smoking--knowing that she smokes because (and WHEN) she chooses to, not because she is getting the nicotine kick every hour. My ideal smoker smokes because she wants to, not because she needs to. So my perception of that would be key. Plus if she weren't smoking in a sexy way with sexy mannerisms, than it wouldn't turn me on and could possibly turn me off. It is similar to how an overly obese & unkept woman wouldn't be attractive to you even if she were dressed in sexy clothes and trying to flirt with you. Also the unhealty aspect of it would be a turnoff for me. The smells associated might also hinder things in our relationship too.