cancer in family

Have smooked 36. Yrs. Watching my mother go through double lung cancer has. Been the hardest thing for me as she is my best friend. I am on day 13. After day 14 I will not put anoother cigarette near me noo side effects as seeing what this actually can do to one is side effect enough for me down to 2-3 smokes a day froom oover a pk of 25 a day. Side effect weight gain. That's it. Imma do this for momma. Myself my children and spouce. Thanks