"This one is a fan favorite, and I'm not ashamed to say I'm on the band wagon. I think when our northern hero and his group goes to King's Landing to present proof of the white walkers The Hound will make a move upon realizing his brother is the big tank in that armor. He might even do it out of pity now that he is coming to realize there is more to reality than he has seen, even if he does try to fight his new found knowledge of other forces at work."
"This GOT theory is one of a kind. It's kind of speculative but at the same time it's plausible! It's a little far fetched though."