1. You believe in the existance of Allah Ta'ala, but you do not fulfil his commands.
2. You say you love Prophet Muhammad (Sallallahu 'alahi wasallam), but you do not follow his sunnah (ie, his example).
3. You read Quran but you do not put it into practice.
4. You enjoy all the benefits from Allah Ta'ala, but you are not grateful to him.
5. You acknowledge Satan as your enemy, but you do not go against him.