The necklace change the course of the Loisel's life as Matilda lock the necklace that she has borrowed from madam forestier. She has replaced the necklace. the loisels found of similar necklace in the jewellery shop which was valued 40000 pounds. but Mrs Matilda belong to a middle class family of pety clerk as a result they had to work hardly for 10 year for collecting 40000 pounds as the only have 21000 pounds but when Mrs Matilda meet Mrs Frostier it was found that the price of the necklace was too cheap and as a result the pretty and young Mrs Matilda which was now looking hard working lady.

Introduction:
The necklace is a short story written by Guy de Maupassant. It revolves around a middle-class woman named Matilda Loisel, who is unhappy with her life due to her desire for a luxurious lifestyle. The story highlights the consequences of greed and societal expectations.

The Necklace and Matilda Loisel's Life:
The Necklace changes the life of Matilda Loisel in the following ways:

1. Desire for Luxury:
Matilda Loisel desires a luxurious lifestyle, and the necklace becomes a symbol of her desire. She borrows the necklace from her friend to attend a high-class party, but she loses it on her way back. This incident compels her to buy a new necklace, which leads her to live a miserable life.

2. Financial Burden:
Matilda Loisel and her husband pay a heavy price for their desire for luxury. They buy a new necklace by borrowing money from various sources and spend their entire life paying off the debt.

3. Social Status:
Matilda Loisel's desire for luxury and her obsession with social status lead her to live a fake life. She borrows a necklace to attend a party and lies about it when she loses it. This incident destroys her reputation and social status.

4. Life of Misery:
Matilda Loisel's desire for luxury and obsession with societal expectations lead her to live a life of misery. She spends her entire life paying off the debt, doing household chores, and losing her beauty. In the end, she realizes the futility of her desires and the happiness she could have had with her simple life.

Conclusion:
In conclusion, the Necklace changes the life of Matilda Loisel in various ways. It highlights the consequences of greed and societal expectations and the importance of being content with what we have. The story teaches us to be grateful for the simple pleasures of life and not to be obsessed with materialistic things.