George R.r. Martin said this quote
“ I don’t know what message to send to Bran. Help him Tyrion.”“What help could I give him? I am no maester, to ease his pain. I have no spell to give him back his legs.”“You gave me help when I needed it” Jon Snow said.“I gave you nothing,” Tyrion said. “Words.”“Then give your words to Bran too. ”