Sheila In J. B. Priestley's An Inspector Calls

In the book An Inspector Calls the character Sheila has more of an impact and changes her views on things. The writer, Priestley, uses Sheila as someone who helps the audience follow the play by what she says.
Act One In Act One, Sheila and her family are celebrating her engagement to Gerald Croft. Although Sheila is excited and full of joy, she can’t help but wonder why Gerald spent all of last summer avoiding her and blaming it on work, as it says on page 3, “(half serious, half playfully) Yes - except all last summer when you never came near me, and I wondered what had happened to you.” Sheila’s tone with Gerald is quite serious sometimes, even when she is trying to be playful. The Inspector arrives, he tells Mr. Birling about Eva Smith and Mr. Birling states his connection with her. He calls the girls ‘cheap
On page 59, Sheila says, “… You turned the girl out of one job, and I had turned her out of another. Gerald kept her - at the time he was suppose to be too busy to see me. Eric - well, we know what Eric did. And mother hardened her heart and gave her the final push that finished her…” Here she is reminding her family’s involvement of Eva’s suicide as they were trying to push the blame off themselves. Sheila, on the other hand, does not like this and sums up the chain events in order. You can tell she feels rotten about the whole thing and she will not forget it. Sheila quotes on page 71, “No, because I remember what he said, how he looked and how he made me feel. Fire, blood and anguish. And it frightens me the way you talk, and I can’t listen to any of it.” Sheila is telling them off and showing how she is disgusted by her parent’s behaviour, and because of that, she doesn’t want to be in the conversation with