My Ex-Wife Was Seriously Ill and Her Family Wouldn't Help, So I Cared for Her for Three Months; Her Final Decision Left Me Sobbing Uncontrollably

(From a reader submission, images in this article are from the internet)
My ex-wife was seriously ill and her parents wouldn't help, so I cared for her for 3 months; her final decision left me sobbing uncontrollably
For a man, meeting a woman he truly loves, marrying her, having children, and growing old together is such a happy thing. I met my wife, we truly loved each other, and we successfully walked into the hall of marriage, but life is always unpredictable, and even now I find it hard to believe that something like this could happen.
My wife, or I should say my ex-wife now. We were college classmates. I pursued her for a long time in college before she agreed. At that time, we simply thought that after graduating from college, the two of us would find stable jobs in this city, then get married, buy a house, and have children. But after graduation, our love met with opposition from my family. The reason my parents objected was simple: my wife's family was very poor, she had a lazy younger brother who was still unmarried, and her parents were typical leeches, just counting on marrying off their daughter to demand a large bride price so they could get a wife for their son.
In the end, my parents compromised with stubborn me, and we walked into the hall of marriage hand in hand as we had wished. Life after marriage was not very stable. My wife's family would often come every few days to ask us for living expenses or other fees, but fortunately my wife's income and mine were both fairly decent, so I generously gave every time. But my wife could never let it go, believing that her natal family had brought unnecessary burdens to our life.
Our repeated compromise seemed to make my in-laws even worse. My mother-in-law came to our home aggressively and demanded 200,000 yuan to buy a wedding house for my brother-in-law. I refused her request for the first time, for no other reason than that my wife and I still had to live, and besides, we had not yet had children. My refusal made my mother-in-law very angry, and she threatened to cut off the mother-daughter relationship with my wife. My wife could not bear this long-term torment of surviving in the cracks, and threatened suicide to force me to agree to a divorce.
We soon completed the divorce procedures. I knew this was the best way to solve the problem at present. I left our house and all our savings to her. Later, my brother-in-law happened to reveal to me that my wife was seriously ill and had already been admitted to the intensive care unit. The moment I learned this news, my heart seemed to collapse instantly. I rushed into the hospital and stayed with her in the intensive care unit through the last three months of her life.
Before she died, my wife gave me a property ownership certificate for a house that was about to be demolished. It turned out that this was exchanged for the new house I had left to my wife when we divorced. When it was exchanged, her parents still did not know that this old house was going to be demolished. Thinking of all the things my former father-in-law and mother-in-law had done, I accepted my wife's final gift with tears in my eyes. Before she died, my wife said she hoped I could forget her and find a good girl to live well with. Tell me, what should I do?