why people hurt others??

People don't like to hurt others except as*hole and jerk. They believe hurting others can prove that they are stronger, and much superior that others, it give them emotional satisfaction and self ego boasting effect. While sometimes they need to hurt others in order to take their money, personal belonging, property, or even girl friend. There are dozen of reasons they are doing what they incline to do, each jerk and as*hole can be quite different in expressing their reason for wanting to hurt others.