Make an easy to follow quit smoking plan and keep yourself busy whenever you crave for cigarette more. You also need support from your family and relatives hence spend time with your family and friends as much as you can. Follow a healthy diet and make an exercising plan that you can follow easily everyday. Nicotine replacement therapy is also a treatment of quit smoking. Think positive and don't carry cigarette's packet lighter in your pocket. Smoking damages your kidneys, liver. Smoking causes cancer and several other serious uncurable diseases.