What illness did the male protagonist have that caused him to hide his strength so that the female protagonist would not know and leave him?

I recommend "Douluo's Life and Death Dominator" and "Douluo: My Strength Was Almost Exposed". These two books meet your needs. The male protagonist had hidden strength in both books, and the female protagonist had to protect the male protagonist. I hope you like this fairy's recommendation. Muah ~😗

I have a very suitable novel to recommend to you! The title of the book was " 99 Degrees of Favor: A CEO's Legs Do Not Go Weak When He Chases His Wife ". It was a modern romance novel about wealthy families. The story was mainly about a legend of Jiang City, Sheng Yu. In the rumors, he was famous for his amazing ability in that area, but he never found true love until he met the heroine. Under the fierce pursuit of the female lead, the relationship between the two began to gradually heat up. I believe that you will definitely like the handsome male lead and his care for his girlfriend, as well as the sweet love story between the male and female leads. I hope you will like this recommendation.😘

I recommend 'The Heartfelt Love of a Noble Master Jun' to you. This book was a modern romance novel about a wealthy family. The people around the female protagonist said that the male protagonist was a favored child of God. The female protagonist was adopted by the male protagonist's family since she was young. After she became his little sister, the male protagonist asked her not to agree to other boys 'relationships. She was not allowed to get too close to him and could only be with him. The male protagonist was very protective of the female protagonist and did not allow her to retreat. He even said that other than him, no other man could dream of it! I hope you like this fairy's recommendation. Muah ~😗

I recommend the novel "CEO's Marriage Is Risky." The plot was about Gu Liusheng divorcing the female protagonist. The female protagonist left behind ten signed divorce agreements, describing the two of them getting back together again after the divorce. I hope you like this fairy's recommendation. Muah ~😗

I strongly recommend "The CEO Is Too Paranoid in Trouble". The female protagonist of this book is a daughter of a rich family. After giving birth to the male protagonist's child abroad, she left him to protect him. Five years later, she returned to China to fulfill her brother's last wish and met the male protagonist. As a result, her life became full of ups and downs. I hope you like this fairy's recommendation. Muah ~😗

I recommend the following two novels to you: 1. "Dear Concubine: Emperor, take it easy": The female protagonist was once the daughter of a general. One day, her entire family was killed. She concealed her identity, disguised herself as a man, and rode a horse with a knife just to find out the truth. She was doted on by the emperor, but the male lead did not cherish her. The female lead later fell in love with someone else. The plot of this book was very exciting. Although the male lead changed in the middle, the female lead's strong and independent personality and love story were worth reading. 2. "I Dumped the Male Lead After I Drawn into a Sadistic Story": The female lead read a sadistic story and ended up transmigrating into it, becoming the tragic female lead. She was abused by the male protagonist, but in the end, she still had to forgive him and have sex with him. The female protagonist swore that she would trample the male protagonist under her feet. She dumped the male protagonist and fell in love with someone else. She became his brother's sister-in-law and successfully turned over a new leaf. The plot of this book was funny, and the female lead's love story was full of twists and turns. It was very funny. I hope you like my recommendation. Muah ~

😋I recommend you to play "Hey, I'm Not the Female Lead". Although the male and female protagonists were a little at odds with each other, it was precisely because of this interaction that made this short story even more interesting. Moreover, the female lead was abducted, and the male lead was injected with a needle by his friend to force him to lose his memory. This kind of plot is very similar to the plot of the novel you described! I hope you like this fairy's recommendation. Muah ~😗

😋I recommend the following novels to you, hoping to meet your needs: "After the engagement was broken off, I forced Uncle Empire to marry me." The plot of this modern romance novel is just what you need. The male protagonist was married but did not have a good relationship with his wife. The female protagonist was the male protagonist's partner. She wanted to conquer him the first time she met him. The male protagonist in the novel was paranoid, possessive, and controlling, while the female protagonist brainlessly spoiled him. I hope you will like this story. I hope you like this fairy's recommendation. Muah ~😗

I recommend "The Chief Auctioneer of Rebirth". The female lead of this modern romance novel was an auctioneer. After her rebirth, she gained special abilities and was chosen by the male lead at an auction. The male lead was powerful. This novel was a one-on-one love story. The male and female protagonists were both very strong. Their bodies and minds were clean, and there were no abuse plots. There were transmigration and indulgence in between. It was a refreshing novel. I hope you like this fairy's recommendation. Muah ~😗

This book was called "Your Girlfriend Is Cute". After the male protagonist had a mental breakdown, he transmigrated back and dressed up as a clown to comfort the female protagonist when she lost her memory. The female lead started to have a good impression of the male lead because of his protection, and eventually fell in love with him. I hope you like my recommendation. Muah ~