I think I understand why MY was carried away as he was being toyed with by JSR. He was vulnerable as he just found out that JG killed his father. And as much as the logical thing to do was to ask JG the truth, he’s possibly still antagonistic with him, and understandably so. Perhaps he needed to process his emotions more thoroughly before rashing out. Note though that his family and his past are a very sensitive subject to him. More so that he doesn’t share it with just anyone, hence the jealousy of YR over JK.

I love that JK saw through his act (initially). When she said that she knows his hurt and when she wanted to know and fight those who hurt MY, I cried 😭😭😭.