Reading every chapter of this makes my heart ache sometimes. It's because of the era they're in, country and culture their relationship must not expose, or everything they worked for will all be wasted. Since patriarchy in China is so strong that no woman should have a higher position than men. I know Yan Chu's father maybe at ease leaving his daughter in a man's work, but he's a little worried for her safety because she's having not just one rival but two or more, currently a lot ruthless because they will still think a woman is a weak leader.