War
Love is war. And you should never let the enemy choose the site of the battle.
As a strategist he knows this.
But she has a sneaky habit of deciding to abruptly end an argument by suggesting sex, usually in the most unlikely of places – the kitchen, his office when there are jounin waiting just outside the door for their mission assignments, or kami help him, the Hokage's office one day when Tsunade was away and he was filling in for her.
Shikaku might be undefeated in battle but he rarely wins arguments with her. It's easier to give in.
