What behavioral and biological changes would be needed to make males not fight each other, basically I trying to make a inverted patriarchy were males are the peaceful and friendly ones and females are the violent and competitive ones?

Biology 

females are expandable enough to go to war and give birth in 1 hour to 56 litters of babies and have as much testosterone as a bull shark a female will mate as much as physically possible, sometimes having sex for up to 14 hours at a time, going from one male to the next,female's have multiple uteruses\wombs, so they can conceive a new babies before birthing other ones