-Collins proposes to Lizzy; she does not accept; described in detail
-Collins proposed to Charlotte; she accepts; we hear about it through word of mouth
-Darcy proposes to Lizzy (the first time); she does not accept; described in detail
-Wickham proposes (kind of) to Lydia; she accepts; we hear about it through letters and word of mouth
-Bingley proposes to Jane; she accepts; we hear about it from Jane
-Darcy proposes to Lizzy (the second time); she accepts; Austen basically glazes over it
Why do you think that Austen only describes the proposals that fail in depth, while the reader is not allowed to witness the others firsthand? Is she trying to say something about marriage? Proposals? Maybe she doesn't like writing lovey-dovey scenes? What do you think?