How to write a short story- Build story's tension by failed attempts

Although Sue has had a lot of experience in church, she is very unsure of herself. It is her uncertainty that leads her to doubt God's love, his existence and her worthiness in his eyes. These are the three trials that Sue faces on her way into the forest before she starts to read the Bible. Satan puts questions into Sue's mind, because of the sinful life she has led. She does not believe that God will forgive her.