I have now been smoke free for 5 days, cold- turkey. Ill be 35 next year and figured if I didn't quit now I never would. Smoking is really the only regret I've had in my life. Wish I had never even started. They say kicking cigarettes is harder than kicking heroine. I don't know if thats true but damn this has been a ROUGH effing week. Really effing rough. I feel like killing about every 3rd person I see, and have zero patience. It's getting better now though. Tell your sister that there is nothing to be gained by smoking.