Desert-Fox
King
It's not about the REF growing large. It's about why it does.
As it stands, the Kings Diplomacy is a non-feature - There is no befit in giving him anything. Asking him for Troops is harmfull. Refusing Taxes is pointless - he will ask again next turn untill you run out of goods to party.
Except that King wants increase tax by 5% and you may throw away your food party what you never sell to europe or buy from it and hope that he wants to raise tax less in next turns