Respuesta :
The narrator feels as if they are sick,and if she/he got on the bus they will feel humiliated. Insted a couple of friends in her/his class was with the narrator, Ms.Gruwell was the only one who could talk to her/him about anything,and talking to her/his friends made the narrator feel completely better.
The purpose of the writing is to tell what the person did and how she is nervous about school