Is it boring?
Would it make the Reader yawn and want to skip pages just to get to the end?
Is it irrelevant?
Would it make the Reader wonder why he bought the book in the first place?
Is it selfish?
Would it annoy the Reader with its blatant narcissism?
Is it heroic?
Would it make the Reader cheer as you go about your quests for justice?
Is it authentic?
Would it make the Reader look at his own heart to see if he is living an honest life, like you are?
Is it lovely?
Would the Reader smile with joy as he seems the world in the shining light that you see it in?
Is it important?
Would it change the Reader and make his world a better place?
Everyone you meet is a Reader. Do they believe your story?