Was there a novel that described how the male protagonist was extremely dependent on the female protagonist and would go crazy once he lost the female protagonist?

Yes, I have a book that I recommend to you. It's the novel,"The Blood Clan's Cain Was Dotted." The male protagonist was a blackened and paranoid Blood Clan member who had a strong possessiveness and dependence on the female protagonist. If he lost the female lead, he would become abnormally crazy. I hope you like this fairy's recommendation. Muah ~😗