Love affair. Doesn't that sound so middle-aged? And also ill-fated. Like ill-fated is an understood prefix to love affair. Well, ill-fated is fine, as long as it's a meaty and fraught ill-fated love affair, not a pale and insipid one.
All of my books are about researching. I do all the research and I give it to a writer who can put it in the written word better than I could.