Answer:
Forgetting story, Reading it out also and loosing eye contact
Step-by-step explanation:
Whenever a person has to deliver a speech or tell a story, it is essential that he maintains an eye contact with the audience. In the case stated in question statement, when you forget the story and read it out, then it gives a bad impression to the audience, you lack the eye contact and eventually the focus from the story can get disturbed also. Hence it is necessary to maintain the flow of the story and make it interesting