Nicotine is a very addictive drug, so when you stop smoking, your body will crave cigarettes. Craving will be most intense in the first few days and strong cravings will usually last for about two weeks. Cravings will be less and less frequent and less intense as time passes. However, you may experience some cravings at times even months after you quit. Having ideas ready for how you will deal with cravings can make a big difference!