Jane Austen Etiquette Throwdown

In your estimation, which of Marianne's etiquette faux pas in Sense and Sensibility was most egregious?

Willoughby cuts a lock of Marianne's hair

Which of Marianne's etiquette faux pas was most egregious?
Allowing her rudeness to show to people she dislikes.
Allowing Willoughby to cut a lock of her hair.
Visiting Allenham alone with Willoughby.
Mocking Colonel Brandon, Mrs. Jennings and the Middletons behind their backs.
Accepting the gift of a horse from Willoughby.
Writing letters to Willoughby when she arrives in London.
Making a spectacle of herself when she sees Willoughby at the ball.

  
pollcode.com free polls

Marianne accepts the gift of a horse from Willoughby