It always frustrates me that JA gives us so little sense of the Elinor-Edward relationship. Elinor and Marianne talk about him, Marianne and her mom talk about him/them, Fanny Dashwood sees enough to make her suspicious, but we don't get to see E and E together. And Austen never offers a vivid alternative to Marianne's picture of him as spiritless and dull.
It seems like JA resolved to write a romance/courtship story WITHOUT resorting to sentimental cliches ...and without them, there wasn't much left to say! Like she knows how Edward and Elinor wouldn't act (poetry, sighs, fervent glances, etc) but can't quite picture how they would act.