You tell Sarah she can suck Mason's cock

Mason can't contain the pressure of his erection in his pants, so he frees himself too - remove his pants entirely and letting his cock stick out of his boxers. He starts stroking himself as he watches his wife suck his best friend's giant cock.

Mason winces when you lean down and reach under Sarah's lingerie and squeeze her breasts. He sees her look up into your eyes with a sexy twinkle as you play with her nipples.

After quite a few minutes of letting Sarah show off her skills you tell her,
"Sarah, you can suck your husband's cock now."

Your words weren't lost on Mason who realized you were giving his wife permission to touch him. He wants to protest, but he doesn't know how to - he does want to feel her mouth and when she obeys you and scooches over and take him into her mouth the pleasure is intense.

It's easy for Sarah to suck her husband's much more modest-sized cock after getting used to yours. Mason can feel the difference too - she's taking him deeper than she used to. His wife has learned to swallow him whole. He wants to be disturbed by this turn of events but it feels too good to let himself worry.