Why am I pointing out music artists I love? (And that's just a partial list. Don't forget Sons of Maxwell, Metallica, Queen, Madonna, Beethoven, et. al.)
Because writers need to be reading a little bit of everything. Don't focus only on the genre you're writing in. Sample other books. What elements attract you? What things drive you crazy? What disturbs you? Use your emotions with other works ignite to fuel your creativity. With the genre-mxing in today's publishing industry, you never know when you might create the hot new subgenre mash-up.
But a caveat--don't fish so broadly your vision becomes blurred.