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Theoretically, you can use being "Closest To - The Masters" for unlocking <a href="/wiki/An_exclusive_dinner_party" title="An exclusive dinner party">An exclusive dinner party</a> or <a href="/wiki/Speak_to_an_Aristocratic_Academic" title="Speak to an Aristocratic Academic">Speak to an Aristocratic Academic</a>.
Practically, it has no use, except for roleplaying reasons.