I think there's something about the fact that even after all this time, Sang Yan spent his times yearning for Wen Yifan. Because she's deserves that, this one person who is hers wholly, who cares for her and will continue to do so even when things get rough.
He made sure to leave the apartment alone until she asked to him to stay, which let her be in control of the situation and let her feel comfortable. He started his business based off her, he started playing that game because of her.
So much of Sang Yans life is built around her









