I think all writers/readers have in them, an innate passion for books that first touched their heart, books that made them feel they were bigger and better for having known the characters.
As I'm editing the third Smitten book, I realize how much fun it is to find that inner passion for my first literary obsession: Jane Austen. I just got a new iPhone cover that is my favorite line in all of literature. Mr. Darcy's first proposal (which Elizabeth refuses) in Pride & Prejudice
In vain I have struggled, it will not do!
I have read these books so many times. (Except for Emma, which bores the heck out of me. She is far too stupid for an Austen heroine -- or at least my view of an Austen heroine.)
When I found Austen as an author as a freshman in high school, I devoured all of her books. Sharing P&P with my son in high school was one of the highlights of my life. He got an "A" -- an 18-year old boy -- got an "A" on everything P&P. To make another understand that passion feels like a win to me. Which books make you passionate?