My sister is quitting smoking after 10 years, any ideas on how I can help her through this????

My sister has smoked for about 10 years now. And has finally decided to give it up. As her sister and a Nurse Practitioner I am thrilled that she is quitting. She has gone 3 days with out a cigarette. My husband and I have never smoked. And I have never been around any one who is quitting. Is there any thing that... show more My sister has smoked for about 10 years now. And has finally decided to give it up. As her sister and a Nurse Practitioner I am thrilled that she is quitting. She has gone 3 days with out a cigarette. My husband and I have never smoked. And I have never been around any one who is quitting. Is there any thing that I can do to help her through qutting, and to make sure she never starts again. I would appreciate any suggestions.
Thank you
Kali :-)
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