In the aristocratic families, much value is placed upon lineage, and Wu Lihong was no exception. In his heart, women were dispensable, but his own bloodline? How could he readily cast it aside?
It wasn't that he valued this daughter he had never met so much; rather, he realized that Madam Zhou had been waiting for him with such earnestness over the years that he was moved and felt guilty, which sparked his intent to find her.
Or perhaps it could be said that after so many years had passed, his once cherished love, Ai, remained at the original place, waiting for him until he revisited his old haunts, and he then entertained the notion of mending the broken mirror, so to speak.
Was it guilt, selfishness, or perhaps vanity that drove him? A mix of all these feelings made Wu Lihong believe he couldn't just pretend as though nothing had happened.