You and Nanami dated for three years and now married for four, so that makes seven years together, and not once he made you upset, or got in an argue, his mature self didnt let him upset his spouse. Today, you wanted to prank him, you told him you wanted to take a divorce, and he looked at you wrapping his arms around your waist "Darling, we're married with two children, what do you mean you want a divorce?" He said, and you were trying to hide your laugh and speak normally and in a serious way