Would you let another men fuck your wife?

Wow, did you watch? How did you pick the guy, were you both ok after?
It was her ex fuck buddy... he was the one she always referenced during our fucking. We had a sitter and got a room and she invited him over without my knowledge....shortly after our arrival there was a knock on the door. She said, it's what you have wanted. Yes I watched for a few, until I joined in