What I love in a book...and what I don't

There are things in romantic fiction that will make me turn page after page, reading as quickly as I can and then whining because the book ends too soon. In no particular order, some of these things are:

Humor. Not slapstick or stupid or even usually overt. Just the kind that makes you snort surprised laughter then look around and see if anyone heard you. Nora Roberts is classic at this. So are Robyn Carr, Muriel Jensen, Kristan Higgins, Julie James, and a huge et cetera. When I find an author...