Arya Stark: What would little Lyanna Mormont say? She’s younger than you were when you wrote this. Are you going to say, “But I was just a child?”

Sansa Stark: You’re angry. Sometimes anger makes people do unfortunate things.

Arya Stark: Sometimes fear makes them do unfortunate things. I’ll go with anger.

From Game of Thrones – Season 7 Episode 6: ‘Beyond the Wall’ (7×06)