Artemis knew precisely why this was a problem, even if Haku didn't see it. If Zabuza saw him touching, embracing or, God forbid, kissing Haku, he would be butchered alive. Zabuza had said it himself: if he came between them, Zabuza would kill him. Or at least ensure his death.

"I don't want to worry you over nothing," Artemis said, smiling. "You know me well enough, Haku. You know how selfish I am," he teased.