riding a bicycle without your helmet
AS we all know that smoking is very dangerous to our health. Not only to the person who uses it but also to the person who inhales it. By simply refraining from smoking, you are getting yourself away from lung cancer and other implications that caused by smoking.
I would say number 4 because she has a great health by exercising 4 times a week and a balanced dieys and gets a good nights sleep. She is Good with her social skills.