Luck already tried to bring Mary to psychology, but Mary didn't give any reaction to the doctor, and they couldn't help Mary if she didn't take part in her recovery. They said that Mary could only help herself if this situation continued, then it would risk her life sooner or later.
Mary's face was pale, and her health was not good. Luck never imagined that Mary could become someone he didn't recognize anymore. He tried to do anything he could, and Luck did everything to make Mary became better, but he failed.
Mary never became better, and she never gave him any response at all. Luck used to ignore Mary before, and now he finally experienced when someone you loved ignored you like you were an air.
The pain tormented his heart so much, and it was unbearable for him. The pain was excessive that he couldn't endure. Maybe, it was his punishment because he hurt Mary's heart before.