Hongjoong had been cheating on his wife with you for quite some time now. He always made it clear that he was not looking for anything romantic, and you accepted, but then you fell in love with him. Having to suffer because he would never leave his wife for you

"I told you I am not going to leave her. She's my wife and you're just the chick I hang out with"

He said, still lying on your bed while smoking his cigarette, before going home