Chemistry. I’m intrigued by observing chemistry in real life and in fiction. No, not the kind with protons, neutrons, and electrons. I left that kind of chemistry behind after my freshman year of college. As an author, I’m talking about that intangible quality between characters we’ve come to refer to as chemistry. When a hero and heroine experience mutual chemistry, they’re drawn together, despite external conflicts and obstacles—even if they think they’re all wrong for each other. When I’m not writing and reading, I love to watch movies. It’s evident to me when there is…or is not…chemistry between the characters. The hero and the heroine challenge each other, grow to respect each other, and find each other intriguing. And in the case of a romance, chemistry fuels their attraction. To me, chemistry is the difference between a movie I want to enjoy more than once, and a film that’s not nearly as memorable. I’m a huge fan of Robert Downey, Jr. and Rachel McAdams in Sherlock Holmes. As Holmes matches wits with alluring criminal Irene Adler, a woman who can hold her own with the brilliant detective, the sensual tension is magnetic. One can well imagine the passion that would…