How to Assess Romance Chemistry in Any Book

A character can have cheekbones sharp enough to cut glass, a tragic backstory and a flat in Notting Hill, but none of that guarantees romantic chemistry. We have all met the supposedly epic book couple who leave us feeling like we have been asked to clap for a work presentation. If you are wondering how to assess romance chemistry before committing to 400 pages, look beyond the blurb’s promise of “sparks”. The real thing has a pulse.

Chemistry is not the same as spice, nor is it simply two attractive people exchanging knowing looks. It is the delicious sense that these particular characters change the temperature of a scene when they are together. It can power a closed-door rom-com just as effectively as a high-heat enemies-to-lovers situation. The question is not, “Do they fancy each other?” It is, “Do I believe nobody else could create this exact mess?”