Especially that time, when Ling Menglu and the two brothers casted the Forbidden Spell together, sacrificing their lives for everyone else. He felt that his heart had died. He later learned that it was just an illusion, but after that, he realized that the relationship between Ling Menglu and the two brothers had become even closer, and they had grown further away from their original small group.
He tried to make amends, even urged Zisang Liuying to find a way to bring Ling Menglu back, even if it meant bringing the two brothers with her. But all efforts failed. The feelings in his heart had to be buried deeper.