She should have known long ago.

　　So many details.

　　Jiang Zhe's attitude suddenly turning cold since the age of eighteen.

　　Indifference toward all males, pushing them a thousand miles away.

　　It was also from that time that he no longer wore short-sleeved shirts, even in the hottest weather, he always wore long-sleeved shirts and pants.

　　And also, the scar on his wrist.

　　The knife he carried with him.

　　The scattered antidepressant pills.

　　...

　　Her only younger brother, who shares the same blood as her – had withered away since the age of eighteen.