Her world turned upside down that night, and all her heartfelt promises disappeared that night and ceased to exist.
From that night on, there were only two kinds of people left in her world - those she could trust and those she couldn't. As for the former, she still has to be on guard. The only person she can truly trust is herself.
Because this world has no sense of trust for her.
Family and friendship were all nothing in her eyes, and the aftermath of betrayal made her dare not trust anyone anymore—except herself.