Your Best Friend in The Backseat
She’s sucking his cock in the backseat of the car as I drive.
It wasn’t the plan, but you know how it goes.
You start talking. Your wife mentions that monogamy isn’t all it’s cracked up to be. He raises an eyebrow. You tell him that she does whatever the hell she wants, and you never found a reason to ask her not to. He grins like an idiot and tells you she’s hot.