Originally, Huangfu Yao didn't harbor much hostility towards Liu Shimei. He only cared about her in the Yuebin Pavilion, much like how he cared about the Crown Prince. He deliberately provoked Liu Shimei to stand out.
But today, being ridiculed by Liu Shimei in front of so many people, coupled with Liu Shimei's protective attitude towards Huangfu Lingyao, made him view Liu Shimei and Huangfu Lingyao as a unified front, naturally turning their relationship into a hostile one.
He smirked somewhat maliciously and said, "A virtuous woman does not serve two husbands, but Eldest Miss Liu, you seem to be maneuvering between the Crown Prince and the Second Prince. Do you really think the Second Prince is a fool, so you dare to do anything? Let me guess, why does the Crown Prince remember you so fondly? Could it be that you're hanging around this Second Fool while also enticing the Crown Prince on the side?"