Over-Tagging Dependency

As an Omega who narrowly escaped death and holds a prestigious status, Fu Xici was diagnosed with anosmia to pheromones. His condition had worsened to the point where the doctor advised him to find an Alpha with a high enough compatibility to assist in his treatment. Given his status, what Alpha couldn’t he find? The military district could round one up for him in minutes. However, the only name that passed the screening and met the criteria was Liang Que. As everyone knew, Fu Xici and Liang Que had a terrible relationship. They had even written their wills on the battlefield earlier, stating that they would rather die than be buried in the same pit as each other. Moreover, based on their descriptions of each other over the years, they seemed inherently incompatible. So, how did their compatibility skyrocket to 100%?