Thanks for the clarification MoonMaiden23. I agree that Diana didn't want a divorce, but I don't think anyone does. I believe that she preferred a divorce to a permanent separation. She definitely wanted more children.
I also agree with your analysis of Diana's actions. No one is completely rational all of the time; we all do things that make no sense in the light of day. It is particularly hard to be dispassionate when someone is going through the breakdown of a marriage.
But although Tina Brown is generally a reliable source of information, I am skeptical of her assertion that Camilla was the one who talked Charles out of a reconciliation. First, I doubt if either would have confided to a third party.
Moreover, I doubt Charles was seriously considering a reconciliation at that point. I can easily believe that both Charles and Diana had second thoughts about ending their marriage. It's only natural for people to reconsider such a major decision and wistfully wonder if there was a chance of saving the marriage. Despite everything, I believe both Charles and Diana deeply cared about each other.
But I don't think he seriously considered reconciliation after the book came out in 1992. The bottom line is that: Charles was in love with Camilla, Charles and Diana were essentially incapable, and it would have been hard for Charles to trust Diana after Diana had gone public. (I understand it would have been hard for Diana to trust Charles).
If Diana had wanted to save the marriage, going public was the worst thing she could have done. We talk about Diana dropping friends, but the royal family has always dropped people who they believe betray their trust and talk to the media.
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