I quit smoking 2 weeks ago and have officially kicked the habit for good. It takes a while to get the nicotine completely out of your system so I'm hoping it will improve.

the effects of acute nicotine withdrawal can be felt for as much as two weeks or more. In addition, the byproducts of nicotine can be detected in the blood for up to a month after you stop smoking.
It can sometimes take months to go a day without thinking about them (cigarettes).