It is almost like Bran is becoming similar to being autistic with information overload. I agree, Bran should have been slowly going there and it was almost like the talk with Meera was how it should have happened if he acted weird after the first time with the 3 eyed raven. He was still pretty normal in the cave. I wonder if we see Meera at some point in the future or is it like they are just doing a shitty version of tying up loose ends. I believe GRRM when he says the books will be different. There is way more out there that is going on where the show is just condensing stories like crazy.