Actions or manifestations aimed at causing physical or psychological harm to others or at gaining control over them through force or threats. This behavior is characterized by violence, excessive emotionality, and a lack of empathy, and can be both intentional and spontaneous. People who exhibit aggressive behavior often experience difficulties in building social relationships, increased conflict and a negative impact on the mental and physical health of others. Aggressive behavior can be defensive or offensive and often reflects a person’s frustration or desire for dominance and control.