Eren was best described as hardheaded, strong-willed, passionate, and impulsive, which are attributes of both his strong determination to protect mankind and, eventually, his equally strong determination to escape the Walls. Eren cared deeply for his friends and family, risking harm and even death in order to protect them. Eren was also capable of displaying violent behavior in defense of people he did not even know. Eren has a marked lack of self-restraint that often led him into trouble