Authors create tension in a story so the reader will be wondering what's going to happen, and might relate more to the story depending on where the tension is. If it's between two characters, or if the author will have one characters POV (point of view) about to have something really bad/good happen, and then change to a different POV so the reader keeps wondering what's going to happen, until it changes to the other POV again.
Explanation:
Which sentence do I have to answer?
I believe the answer would be withdraw your cape. Unfold yourself wouldn't really mean unfold yourself, just take away your cape and talk.
good luck,

Answer:
Because knowing too much is to much for the mind to handle sometimes ignorance is bliss