Why does he always mention Tristan?

She was still stupid to think that he would be jealous of Tristan for her and that he regretted divorcing her. It turned out, that wasn't the case Seeing how exasperated she was, RK let go of her and teased her. "Oh! You even give birth to the child behind my back when you don't care?" The man raised his eyebrows and smiled slightly. His gaze was on Stella making her hair stand to the end. "Don't look at me with your terrible gaze. You are so toxic. Didn't you say that you were hungry and wanted to eat? Do you want me to stand here and talk to you?" Instead of chatting, it was more like quarrels. She followed him and watched him walk to a steak restaurant. Suddenly, she said, "RK, let's eat a fish at noon. Let's not eat steak." She couldn't afford it! How much did she have to spend on steak? She barely had any money left. If things went on like this, her son might have to go out to beg for food. That would not do. "Keep up!" The man ordered in a tone that could not be refuted. Stella g