Well I dont have one i have a few as you will see.
My main one is my health. I have been very ill this past month i have had the wonderful swine flu, then a kidney infection and now tonsilitus and a running fever of 38 finally dropped this morning 
has been 38.2 so I can literally say im a "hot" 20 year old. Being ill has made me see the effects it has had on me being weak from illness is one thing but needing a cigarette and feeling what it does to my heart beat and breathing is another. So this is my top reason.
I dont want to look like my mum - not being rude but she was beautiful when she was in her 30's now in her 40's and smoking over 40 a day i think i would say no to all her looks now. Her teeth, breath and clothes stink, i still love her to bits after that being said. if she reads this it wont be the smoking that killed me hehe
I have a business and i hate meeting clients after having a cigarette and after 3 hour meetings and a few fags later i know i stink of them so what must they think. Even if they are a smoker themselves im still very concious of it and it dents my confidence
none of my friends smoke so i feel really unsociable ducking out for a fag.
My partner never wanted to date a smoker, when we met 4 years ago i detested them then one drunked night later and i was hooked and since then i have had earful after earful of this smoking habit, i know it will make me happier to quit as well as him - poor sod does not know what he is in for haha!!
And i want my white teeth back, and actually have a point to wash my hair in lovely smelling shampoos not to have it smelling of smoke an hour later.
And finally my house I have just re decorated and want to keep the fresh smell as I can smell the kitchen is still a bit stale so iwll be re painting that.
Well thats all lets hope i dont give it all up for a cigarette.
Must get to bed now - getting a headache thinking about it all 
