While taking his nightly walk, Charley Goodneighbor saw Joe Macho commit a battery on Charlene Loverly, a fourteen-year-old girl. Goodneighbor came to Loverly’s defense and struck Macho so hard it fractured his skull. The police arrested both Macho and Goodneighbor. Goodneighbor explained to the police that he came to Loverly’s aid to prevent her from being injured by Macho. What factors will the prosecutor probably consider in determining whether to file charges against Goodneighbor?