When my wife and I fight, our daughter falls on the floor and simulates some kind of injury.
Recently, we argued in the kitchen. Our daughter had a nap in the living room, but when she heard us, she came to the kitchen and took me by the hand to go with her like she was afraid to sleep alone. She made me lie next to her, and we fell asleep.
The kid doesn't let us fight, so we now live in peace.