How to use "illnesses" in a sentence

It could tell her each man's preferred brand of liquor, each wife's favorite flower and perfume, the make of car they drove, the names and ages of their children, the nature of any illnesses or other medical conditions they might have, their favorite foods, their favorite colors, their tastes in music, their political affiliations, and scores of other facts both important and trivial

We described our illnesses

We began talking about our illnesses again

We all knew that our illnesses were caused by too much work.

Of course, we began talking about other illnesses