Fasting in Ramadan teaches people how to practice a good manners while dealing with others. And also teaches the reactions when receives insults from others. So Abu Huraira(Allah is pleased with him) narrated, Allah’s messenger said:” Saum( fasting) is a shield(or a screen or a shelter from the Hell-fire) So the person observing Saum(fast) should avoid sexual relation with his wife and should not behave foolishly and impudently , and if somebody fights with him or abuses him , he should say to him twice ,” I am observing Saum(fast) ” the prophet (pbuh) added “by him in whose Hands my soul is the smell coming out from a mouth of a person observing Saum(fast) is better with Allah the almighty than the smell of musk.(Allah says about the fasting person ) “he has left his food , drink and desires for my sake . The Saum(fast) is for me so I will reward (the fasting person) for it and the reward of good deeds is multiplied ten times”. Bokhari 3;118-O.B.