Eloethan
Outrageous and over sexualised behaviour is often found in people who have been exposed to sexual exploitation at a young age.
Wow.
That's some observation. 
She was an only child in a close and loving family. She didn't come out to her parents until she was in her 30's, after which her mother had a stroke which Miriam blames on her telling her she was gay.
If you read her book, she was always 'the naughtiest girl in school.' That doesn't mean she was 'exposed to sexual exploitation'.
Her French teacher called her 'Naughty, but never wicked', which I think sums her up perfectly.