There are so many benefits to quitting smoking, and quitting is a good idea for anyone. Despite how good it is to quit, the process of quitting can be extremely difficult and it's normal to feel nervous at first. After all, quitting smoking is a big change that requires many steps which can seem overwhelming to think about. Plus, anxiety and depression are also common nicotine withdrawal symptoms, which can make it seem more nerve-wracking to quit.3 Withdrawal symptoms can last for a few days or even several weeks and tend to peak on your second or third day of quitting, but they become easier to manage with each day.3