Even small numbers of cigarettes damage your body and increase your risk for smoking-related diseases. Social smoking is smoking. You should also be aware that occasional smoking often leads to daily smoking, which would be even more risky and hard to quit. You may find that quitting is difficult, even if you don't smoke every day. It is possible for you to be addicted to smoking, even when you don't seem to smoke that much.
As a social smoker, there are resources out there to help you quit.
QuitlineNC provides the coaching and support that can help you quit. They can send you materials in the mail and offer other tools to help you get started on your tobacco-free life. Quit Coaches have experience working with social smokers, and can help you avoid and overcome your smoking triggers so you can quit.