Exactly. I quit on March 26th and haven't had one since then - I'm a non-smoker. If I picked up one tomorrow I'd lose the ability to call myself that. Judging by zero's answer he really doesn't consider himself a non-smoker but rather an occasional smoker.
Good for you! Hang in there! It will get easier over time; .... I don’t know you, but I’m proud of you!