The best way to forge a lasting alliance isn't by peeling a man's skin off. The best way is marriage
The North is larger than the other six kingdoms combined, and I'm the Warden of the North
I rebelled against the crown to arrange your marriage to Sansa Stark
Lord Walder let me choose any of his granddaughters, and promised me the girl's weight in silver as a dowry. So I have a fat young bride