You may notice that you feel tired more in mid-afternoon. Headaches You're not getting as much blood and oxygen to the brain when the circulation goes down. It may take several weeks before you feel normal. See your health care provider about how to manage these headaches. It's common to feel depressed after quitting.
Some people feel like they've lost a close friend.
Bouts of crying may occur. These feelings will pass. Smoking again is NOT the answer to getting rid of these feelings. In fact, smoking again may trigger feelings of failure and guilt which may make you feel worse. This may cause constipation and gas pains.