I have certainly struggled with nicotine addiction and am one of those people for whom a cigarette brings strong pleasurable responses. Interesting.
I used to smoke quite a bit, but gave me chronic bronchitis. I decided that I like breathing more than smoking cigarettes, 
, so I convinced myself to quit. So, yes and no, I was addicted, but also not addicted…if that makes sense. Ironically, I lost weight and had more energy after I quit.
I’ve smoked since I was 16 and am 40 now. Taking Wellbutrin now in hopes to quit. Seems to help alot but havent set date. It is soon though