when your born you have many walls up not to block the world out but to be written on the wall to tell your story's of all of the things that you've done in your life time before you go to the afterlife and the walls will be up to be their to another person can write the storyline on to the walls that you've made for your story's of the life you've have made over the years so someone can review and rewrite the story you've, your self have made on the wall that stands for infinity of times so someone can read your storys in the walls. Not the real world walls the walls in side your head is the story that you have made in the memory of the brain that you can keep it or lose it to make more memorys to be gained some more, over time.