I saw recently that on the big GoT nerd site (westeros.org?) or some shit that someone had predicted the "Hold the door" thing in regards to Hodor back in 2008. Wonder if GRRM decided to work that in? I seriously doubt he intended that from the beginning much like Lucas claims about all the midichlorian shit. I read it on another site but searching for a link I pulled this clickbait site up which mentions the posters prediction.
http://distractify.com/entertainment...he-door-theory