Answer:
They go into debt and spend 10 years paying off the bill.
Explanation:
What happens to Mathilde and her husband after they buy the diamond necklace is they go into debt and spend 10 years paying off the bill.
The story is all about a woman who dreamed of having a wealthy home but ended up being a lower class. She forced her husband who works as a clerk to buy a diamond necklace for her but the husband couldn’t afford it which makes her borrow the necklace from her friend. She lost the necklace at the party she attended but bought another one for her friend which makes Mathilde and her husband struggled hard to meet both ends of their life, for long ten years
