Irish was suddenly sober and turned to look at Joseph. He frowned a little and stared forward. His outline and calm side face seemed attractive against the light. "The betrayal from his fianceé is a great suffering for a man nearly getting married as if it were like he was being killed."
She opened her mouth, and her eyes were brightly staring at him. "That's right! Why didn't I think of this? In this way, the answer is obtained."
The hidden meaning of Joie's answer was that his girlfriend betrayed him, and his happiness was grabbed away. So he regarded all his happiness as his girlfriend.
The latter part of his answer was a little confusing but could imply his mentality. He gave up his future happiness and was immersed in the past. He changed himself into like his girlfriend, which was just the representation of a dream in reality.