He fights through every battle that she leads him into with every fiber of his body. Maybe it makes him no better than Selena or anyone else who follows the Emperor into this senseless war, but he cannot deny that he will do anything she asks.
The fever of battle ignites his veins and he pulls on the reins one handed to charge back into battle. No matter what he says, he understands perfectly why men speak of women as the reasons all wars begin.
All he needs is her voice and he would summon his battle fever for her.