My wife always has a steady boyfriend on the side

Privately, and to her female friends, my wife never refers to us as a "couple." She says we're each part of a "triple." She says it's true because she always has a steady boyfriend on the side. But, is "triple" really accurate?

Especially when the third party has changed so many times over the years? My wife has had 14 steady boyfriends since we got married. I think we're more of a "slutuple!"

My wife has many steady boyfriends