Um, Can We Talk About These Insane Game of Thrones Theories For a Minute?

In the brief teaser, we see Sansa and Arya Stark and their sibling/cousin Jon Snow walking through the crypts, passing statues of their late relatives. When they reach a far wall, they stumble upon some statues modeled after their own faces, pointing to the fact that their deaths might not be far off. But Jon Snow's statue looks older than he is. This could be foretelling something very promising.