The only safe choice is to quit completely. Write down why you want to quit. Really wanting to quit smoking is very important to how much success you will have in quitting. Find a reason for quitting before you have no choice. Know that it will take effort to quit smoking.
Nicotine is habit forming.
Half of the battle in quitting is knowing you need to quit. This knowledge will help you be more able to deal with the symptoms of withdrawal that can occur, such as bad moods and really wanting to smoke. Nearly all smokers have some feelings of nicotine withdrawal when they try to quit. Give yourself a month to get over these feelings. Take quitting one day at a time, even one minute at a time whatever you need to succeed.