a good couple
A good couple is two people who love each other so much they’d fight a dragon together, even if one of them is the dragon.
I’d marry my dog before I’d leave my wife. She’s a beast, and I love her.
We got in a fight so big the neighbors called the cops. Then we made love in the cop car.
He cheated on me with my sister. I forgave him. Then I cheated on him with my brother.