I guess I should include smokers since at my age it's pretty unlikely that I would marry someone under 45 who smoked and could become pregnant (that could cause an unhealthy child).
I can tolerate someone smoking and would consider it an opportunity for me to help the person become healthier by her quitting smoking.
Having bad habits is sometimes a symptom of a loss or heartache. I wish the best for all the folks out there trying to get healthy.
I'm with you one this one. I've dated enough people who smoked that I now know that I could not consider dating, let alone marrying, a smoker. I recognize that nicotine is a terrible addiction and I have great compassion for people in the throes of this type of suffering. I just could not live with a smoker, period.