She knows it's futile to change who they are. Appropriate damage control measures had to be taken on Valentine's before another body chocolate incident happens.
An appropriate choice of reading material there, Kongou.
Old post, I know, but what? I just skimmed the wikipedia page, and it's the memoir of an early aviator who crashed and nearly died in the Sahara. There's no immediate hits on any of Kongou's usual themes (off the top of my head: England, Japan, tea, sisters, and naval warfare).
