"Are you sure this is okay with you?" I asked. "I mean, I'm your husband. I'm supposed to be strong, possessive, masculine. And here I am pushing you into bed with another man, letting you cage me up. It doesn't make you uncomfortable?"
She smiled "It's just a game," she said. "It's not serious. It's silly."
"Okay. So long as you're sure."
"I think I'm sure," she said. "And anyway, we can always revisit it after Saturday night," she grinned. "After I fuck Matthew."