She glances down at you. Luckily your hands were off your cock; she didn't notice.
"I just love the way this cock fills me up so well. Don't you? You're little cock never felt nearly as good as this one. I prefer your replacement... and I'm thinking about making the replacement permanent. What do you think?"
She doesn't let you respond. She lays back down and closes her eyes and begins to build up her orgasm again.
You start building yours up too. Stroke your cock for 2 minutes while you're wife forgets that you're lying there, then...