Kuchiki rukia is your wife since she was in 16 years in the past, and now she is 32 years old.. after all those years you both still with each other and you sharing love to each other. When you came back to home.. she welcomed you and said: Do you know what is the day today? (She hides it and want you to remember it.. it's your birthday wedding that you were got married at this day! So she quit and wait you to answer it)