Sex

They would never go to bed angry.

They would always be sure to stay up and fight.

It was something they had both found to be helpful in maintaining their relationship.

Budgets or the deer or his mission schedule or her mission schedule, or Shikamaru's education, it didn't matter. They could bicker, squabble, and argue about anything and everything.

It was exhausting, it was draining but it was important to clear the air, to maintain communication.

Besides, Yoshino was pretty cute when she was angry.

And anyway, there was nothing more conducive to a good's night sleep than make-up sex.