The Theory of Attraction by Delphine Dryden

Camilla lives in the same building complex as Ivan, a scientist who has caught Camilla's attention by his regular exercising past her window. Ivan's social awkwardness is finally overcome and the two discover that they are more compatible than they thought, especially once Camilla discovers Ivan's secret in the bedroom. Also includes short stories A Shot in the Dark by Christine d'Abo, where a handsome firefighter takes an interest in a cafe owner who is reluctant to throw herself back into submission, and Forbidden Fantasies by Jodie Griffin, where a married couple discover a whole new side to their sex life thanks to erotic romance novels.