Princess Margaret dutifully waits until the queen gives birth to her son, Andrew, before announcing her and Tony's engagement. Before she can do so, however, she sits down with her older sister to confirm that the timing is OK. Elizabeth, who still hasn't really warmed to Tony, is understandably concerned for Margaret — is she "rushing down the aisle" because of Peter's letter? Margaret isn't having it.
"Tony is no revenge. Tony is a free choice," she declares. "Tony has given me reason to hope and dream. He makes me feel things no one ever has, things I didn't imagine possible . . . I will marry Tony if it is the last thing I do, at the Chelsea Registry Office with a local drunk as witness, if need be."
I gasped at that last line, but it's what she tells Elizabeth afterwards that really gets me: "Tony makes sense of me, defines me. At long last I know who I am and what I represent . . . a woman in my own right. A woman for the modern age, above all, a woman who is free. Free to live, to love, free to break away."