That's not his way.
He knows the North is watching.
Game of Thrones Season 6, Episode 9
With the North behind him,
Stannis can finally take the Iron Throne.
Game of Thrones Season 5, Episode 4
If the King in the North
hears I let the Kingslayer go,
Game of Thrones Season 3, Episode 2
North of here?
Game of Thrones Season 4, Episode 3
Because you'll allow him
to lead the Tully forces safely NORTH.
Game of Thrones Season 6, Episode 8