The more quit attempts the closer you are to success.
Quitting is a major achievement and successes should be celebrated. Research* tells us that it can take several attempts to quit, relapse is common, however the more quit attempts the closer you are to success. Every attempt is an achievement.

In our community consultation, successful quitters used a number of strategies including nutrition, exercise, counselling (for anxiety and depression in nicotine withdrawal), and sessions on managing triggers, cravings and preventing slips.

* Clearing the Smoke: What the research tells us about smoking cessation with very disadvantaged groups, Tackling Tobacco Program, Action on Smoking & Disadvantage,
http://www.nswcc.org.au/html/prevention/smoking_tobacco/tacklingtobacco/downloads/Clearing_the_smoke.pdf