Fasting was prescribed so that we could learn self restrain and can feel the pain of the poor who have to go with out food. Avaoid slandering and hurting your toungue and heart.
Donot get agitated: For 1400 years these attacks were launched on the prophet. This has not prevented from people following Islam. Infact it has within 100 years becomes the second largest community on earth. The phenomenal growth of this religion is because of its edearing values for humanity! It will live as long as allah (swt) wishes. Remember Allah (swt) is an enemy to those who are enemies of his messenger (al-quran).