well here's another fine example of "stubborn gets to be the adult" in a given situation.

D7 wants to invite son of OW to her birthday party. Inappropriate. Spouse told D she'd talk to me. How about just making the right decision YOURSELF instead of setting me up to be the police again?
Oh, yeah, I forgot. Alien

I will spend the next couple of hours wording my response

I have a shovel and I'm not afraid to use it.
Stubby