What are the few hints the author gives about the tragic twist in the story "The Necklace"?

In the beginning of "The Necklace," the reader is left with little doubt as to how Madame Loisel feels about her social status. For example, the narrator states that "She had no clothes, no jewels, nothing. And these were the only things she loved." She even refuses to visit a wealthy friend because she is miserable upon her return home to her surroundings, which she feels are less than adequate. This information serves as foreshadowing to events that will soon affect Madame Loisel.
Once Madame Loisel has her dress, she becomes unhappy because she doesn't have suitable jewels. As her husband encourages her to wear flowers, she replies, "No . . . there's nothing so humiliating as looking poor in the middle of a lot of rich women." This again foreshadows what will become of her. She ends the story with less money than she has in the beginning.
Finally, at the party, Madame Loisel "danced madly, ecstatically, drunk with pleasure, with no thought for anything." This statement provides another hint of her future. In her state of happiness at being given an opportunity to become what she covets, she has "no thought for anything," and somehow loses the necklace. She and her husband are forced to borrow money to pay for a necklace they believe is authentic.