"whoever possesses the following three quality will taste the sweetness of faith. 1. That he loves Allah and His messenger [MUHAMMAD (SAW)] more than anything else. 2. That his love for any persom be only for the sake of Allah. 3. That he hate to revert to kurf (disbelief) after Allah has rescued him from it, as he hate to be thrown into the fire." Al-BUKHARI
Here is a good yardstick for meansuring the degree of belief of the individual Muslim. It is enougg for he who thinks he is a believer to use this hadith of the prophet (saw) as a basis for the assessment of his imaan. So by this did you think your imaan is complete...?