[He bunches his fingers in Summer's fur as he considers that question, with a little frown.]

Rickon has had wolf dreams--or I think that he has. And Arya-- [He darts a guilty glance up at Jon when he says their sister's name.] She told me not to speak of her. She says she isn't Arya--but I sent Summer after her, and I borrowed his skin, and-- and she did, too.