A weirwood will live forever if left undisturbed.

“And who are you, the proud Lord saidthat I must bow so low? Only a cat of a dif…”

“Once, I cut off a man's head, but he did not know it until he tried to brush hi…”

“And Winterfell … grey granite, oak and iron, crows wheeling around the towers, …”

“Nobody likes cravens,” he said uncomfortably. “I wish we hadn’t helped him. Wha…”