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https://www.amazon.com/Singing-Songs-Meg-Tilly/dp/0929636627 is beautifully told story about growing up in an abusive family, written by a movie star. Who happens to be my sister. She eventually admitted that it was autobiographical. She didn't have to admit to anyone in the family though. It was hard not to put the real names back on the people I knew well.
Maturity for me meant understanding and having sympathy for why my parents acted as they did. To find in myself how it is possible to become the monsters that they were. Which I have to be able to see clearly to avoid carrying on the pattern.
But I do not forgive them. Nor could I ask for forgiveness if I had acted as they did.