Maybe he's trying to protect her from some danger or threat. Or it could be that he's worried about how others will react to their relationship.
Well, one reason could be that he's involved in a complicated situation and doesn't want to drag her into it. Another possibility is that he's not sure about his own feelings yet and wants to keep things quiet until he figures it out. It might also be that there are external forces, like family or societal pressure, that make him keep the relationship a secret.
The hero might keep the heroine a secret because he has a past that could affect their future together. Or perhaps he's promised someone else and doesn't want to break that commitment. Maybe he's concerned about her reputation and wants to wait for the right time to reveal their connection.
Chapter 325, "Mobilizing the Beehive, Where Is the Divine Arm Bow? Full Deployment", is the clearest early answer because it turns Yangyuan Peak's situation into a concrete plot event. It opens with Xiao Kangcheng slightly shook his head, seeing the people around... and closes on The Cloud Dragon Army and Dragon Martial Army can't eliminate them,.... The key payoff is that the chapter closes with "Alright, divide into groups now.
Chapter 93, "Why Consult a Fortune Teller When a Child is Lost?", is the clearest early answer because it turns Buddhist Scriptures's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li looked back and saw several aunties linking arms, walking up...
Chapter 341, "Moao's Nine Towns, the Inspection System and Zhenyu, Li Hu and Hong Yuru", is the clearest early answer because it turns Hong Fan's situation into a concrete plot event. It opens with Lu Yang struck the nail on the head, and Zhao Hu and Zhu Shun... and closes on In one of the rooms near the corridor on the second floor, Li Hu is....
Chapter 13, "Killing the Chicken to Scare the Monkey", is the clearest early answer because the violence around Qin becomes final instead of hypothetical. The chapter gives readers a real answer by opening on Sensing that something was off with Jiang Yan, Jiang Yan dismissed...
Chapter 176, "Su Yinwan: I Have a Stronger Taste", is the clearest early answer because it turns Mr's situation into a concrete plot event. The chapter turns that into something concrete by moving from Shang Shaojing didn't suspect anything and popped the greens into his...
Chapter 327, "Beast Tide Showdown, the Wolf King’s Gambit, and White Dew Gu’s Last Stand", is the clearest early answer because it turns Frost Wolves's situation into a concrete plot event. Early on, The thunderous roar came from the flanks of the depression.. By the end, Feeling his power surge within, Xia Hong suddenly exerted himself,....
Chapter 350, "Methods to Enhance the Peak of Cold Resistance, Moao's 10th Town, Beishuo Yang Fa, Nightmare, East Ridge Lu Yun", is the clearest early answer because it turns East Ridge's situation into a concrete plot event. The setup is Lu Yang, Zhao Hu, what a bold East Ridge, daring to act so recklessly..., but the pressure keeps building through From now on, as I oversee Jingxi, I will keep a close watch on East....
Chapter 321, "Purging the Yanglu Realm, Long Wu's Army Assembles (Part 2)", is the clearest early answer because Cold Beasts finally turns buildup into a real advancement. A useful checkpoint is the way the scene starts with A group of vile beasts, daring to act ferociously, kill!" The three... and follows through with After the Hunting Team cleared the area, we would sweep the....
Chapter 307, "Silver Mine News, Uprisings Everywhere (Part 2)", is the clearest early answer because it turns Cold Beast's situation into a concrete plot event. The chapter turns that into something concrete by moving from Xia Hong thought of this, and immediately looked at Peng Bo with... to Looking at the entire development trajectory of Longyou, over two....
Chapter 319, "Military Merit and Bestowal of Titles, Hearts Stirred", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. The chapter gives readers a real answer by opening on After Mu Dong finished explaining, he seemed to remember something... and ending on The more they participated, the more military merits they naturally....