1) The document describes the author's experience attending an autograph event for their favorite female idol, Hebe Tien.
2) The author was initially anxious about assignments but convinced their mother to take them to the event, thinking their mother would not allow it due to work. However, their mother asked if they were going and they attended.
3) At the crowded event, the author observed fan behaviors and used representative heuristics to judge that fans were excited to meet the singer. The author's own thought that they would be unable to get an autograph due to long lines ended up being a self-fulfilling prophecy.