Brain: You should write this scene!
Me: Cool! What's the backstory.
Brain: ....I dunno. 
Me: ....but how do I write the scene if I don't know what's happening?
Brain: You just, you know, write it!
Me: But how?!
Brain: WRITE SCENE NOW!
Me: FINE
Brain: Hey...what are you doing? How are we supposed to be writing this?
Me: Gah...I told you! We needed backstory!
Brain: Well...think of that alright? We need to be writing! 
Me: >.>