Mansfield Park "The Crawfords' redemption"

I always liked Mansfield Park, but somehow felt Mary and Henry Crawford were treated unfairly by Jane Austen because they were not stuffy and boring and dependable, like Edmund and Fanny herself, but witty and passionate and likeable. I always felt they would not react in the way they did in the book, but rise to the challenge. So here's what they'd do in my view.