Does anyone else have running jokes with their spouses regarding the ex spouses?

I had a trip down memory lane this morning and remembered this experience...

Years ago my husband brought me ("the American") over to France and BM was insanely jealous. However, there was a language barrier so if she tried to talk (ambush) me it was met with me being a brat and pretending not to understand what she was saying. To this day we have zero contact due to the language