Complex sentence: Ann realises that he would hire her for looks instead of her talent and decides not to join the theatre afterall and asks for her horrible cousins to pick her up early from school and begin her life as a governess.
Split into simpler sentences: Ann realises that he would hire her for looks instead of her talent. Afraid that she would not be accepted as she was, she decides not to join the theatre after all, and asks for her horrible cousins to pick her up early from school and begin her life as a governess.