Only strong people know the benefits of forgiving someone.

There is perhaps no one in this world who never get engaged. However, anger take devastating form when it becomes a grudge. People remains infuriated for year over the il-feel-ing of being wronged, liked, cheated or insulted and develop unhealthy thoughts of revenge. Remember what budhe said: "you will not be punished for your anger, you will be punished by your anger". Or confucius : "when anger roses, think of the consequences".
Those who get into a brawl over trivial issues manifest nothing but their inner weakness, which often result in a serious problem. Those who remain calm minimises the possibility of troubles. Ignore and forget the small conflicts instead of flooding over them, as they suppress your happiness. If I ever have such an ill feeling, i remained myself of two things.

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1. It is not someone that has disappointed you; it's you who trusted him or her. It's your mistake that you have them a chance to disappoint you. Note that the first time someone fools you, it might be their mistake. But if again the same thing happens, then it's you mistake because you ought to have been careful after the first incident.

2. I have resolved never to regret over things that won't matter in the future. In this way, i first console myself that it's my mistake and then forget it.
If you can't forget the things, forgive and remind yourself that those thoughts don't control to. Forgiveness has a great healing power. By forgiving, you don't give somthing to the other person but you bestow on yourself the treasure of tranquility. Think of the people not as object of hatred but as a lesson for the referring to in future. By doing so, the displeasure will eventually fade away.

Gandhi rights said: " the weakness can never forgive. Forgiveness is the attribute of the strong."