On the third day of his cross-examination, Mr Nel pressed the Olympic sprinter to explain the final moments leading up to the shooting.He asked why he had not checked whether Ms Steenkamp had heard his calls for her to phone the police, or why he had not taken her to safety instead of going to confront the supposed intruder.Mr Pistorius said it was his personality to confront what he believed was an intruder. The trial has been adjourned until Monday morning.
http://www.bbc.com/news/world-africa-26984472
What does "personality" mean here? Is it a typo? Should it not be "responsibility"?