] As for the vanity point, I disagree - I dont see it as a motive for love. Vanity was the motive for her attraction to Wickham but not with Darcy.

I agree with you here. She is not unaware of the compliment of his feelings for her, but it does not seem to be a factor in her thoughts about whether she returns those feelings.

] I see her as actually humbled by him. She has lost her self-importance - she no longer thinks herself good enough for anyone - instead she is grateful for his love.