Well my motto was "Never Monologue a Clegane", because Beric...

Well my motto was "Never Monologue a Clegane", because Beric Dondarrion and Thoros were messing around with The Hound and Beric essentially got killed, even though he got to come back, and then the monologue is just a foolish thing to do. But it's also psychological state of mind, he can't get over his sister.