Help! the Son-In-Law Appears to Be a Rough Guy, but Is He Actually a Villain?

[The richest woman who makes a fortune vs. The male protagonist who is a young general but disguises himself as a rough guy in the village] Wearing books/Marriage first, love later/Vest Jiang Heng, the heir to a wealthy family and a doctor in finance and mechanics, passed through the book and became the deceased businessman's wife who died early in the book. According to the plot of the original book, after the original owner died, the male protagonist married her according to the engagement, took over the original owner's property, and helped her take care of her younger brothers and sisters. He won the first prize, and after ascending to a high position, he asked to marry the female protagonist, saying to her: "I never loved her, I only married her out of responsibility." The male protagonist is affectionate and dedicated But the reality is... Before he won the top prize, he was in poverty. If it weren't for the financial support from his original owner, he would have had problems with food and clothing. Taking the inheritance of the original owner to ascend to a high position, and in turn, establishing a dedicated and affectionate persona? Jiang Heng said: Since he is affectionate and dedicated, let him help him and let him climb up on his own. And she naturally wants to find someone who is good-looking, strong, and has a good mind. Yes, she fell in love with Xiao Mang, the rough guy who rescued her from the water at a glance. He, Xiao Mang, is an outsider who makes a living by hunting. His family is simple. Most importantly, he is handsome and has a good figure... The one with a good heart. "When you marry into my house, I will keep the food and drink for you."