In fact, Myung can only stare at Haneul's room door from the living room without daring to go there, even though he should have apologized since yesterday. He is too hesitant and confused as to what to do first, while Haneul does not want to be seen wherever Myung is. She's well trained in hiding herself.
Myung remembers Yoon's words. Is he acting like that? Does he seem to like Haneul? But Myung does this only because he feels he has to take care of Haneul, Myung's wife. If Haneul is pregnant with his child, he must treat Haneul well. He must take care of her. Myung must not let her get too tired. That's it. Everything he does is for that reason.
Should Myung be mean to her? Angry or hating it? He had no reason for it. Haneul is a good person, and she behaves well. Why would Myung waste her energy on being bad for her?
He believes Choi Yoon only spoke when he called it cupidity.