YANBU. I used to smoke. I smoked for around ten years, from my mid to late teens to my mid 20s, before I got pregnant/had children, and am SO glad I don't now. It's a stinky, smelly, gross, anti-social habit, that costs a fortune, and there are SO many places you can't do it now, that I don't understand why people still do it.
I don't know anybody personally who smokes now. In the area I live, and in my social circle, it's mostly middle class/upper middle class professionals, business owners, middle and upper management, vicars, doctors, solicitors and the like, and none of them smoke. When I drive through 'less desirable areas' I see loads of people smoking.
In addition, I very rarely see a well-educated person smoking these days. Most intelligent, sensible people either have had the common sense to give up, OR they never started. And yes you CAN give up if you want to. I did, and so have millions of others. If you've not given up, it's because you don't want to.
Smoking should be consigned to the history books. It's foul.