Discuss how the characters of the Nightingale, the student, and the girl are explored in the short story The Nightingale and the rose by Oscar Wilde... I need some help and ideas to write a critical answer for this question

The book i'm reading is a seperate peace by john knowles. i have to turn all my work in tomorrow . describe two important incidents in the novel that have a significant impact on one or more characters. also, describe the characters involved in the incident.