Emma sucked them off.

After five days of being fucked twice a day to the point where her pussy literally overflowing with cum, I think Emma was finally relieved she could suck on our cocks without worrying about wasted semen that wasn't in her cunt. Strangely enough during the years of our swinging days, she had never gave head to both her husband and myself at the same time.

Bill and I gave each other a knowing nod, like two guys driving the same type of car would give when they drove past each other, as Emma frantically stroked our cocks. When she was finally satisfied that we were hard as granite she hungrily licked our cocks before taking one shaft into her mouth while stroking the other to maintain its rigidity.

"Do you like the taste of your friend's pussy on my cock, baby?" Bill growled as his wife deepthroated him.

She let out muffled moan in response.

After about a minute Emma gave up on rubbing my cock to concentrate on her husband. Luckily my wife noticed and called me over to her so she could suck me off.

"Okay stop, babe," Bill groaned.

Emma shook her head.

"Please stop or I'll cum," Bill protested.

Emma teasingly twirled her tongue around the tip of his cock instead.

"Dammit, honey, I need to fuck you!" he yelled. That was all it took for Emma to stop. Bill pulled his aching cock from his wife's mouth and went to grab another swing seat to hook it from the ceiling next to Sam. "Now sit on the swing, babe."

We all knew what game Bill had in mind -- it was something we made up called "pussy swinging contest" where we fucked the girls while they sat in the sex swing seats and we raced to make each other cum. Needless to say there were no losers in that game.

God it felt so good fucking my wife again, even as sloppy seconds after Bill. We didn't bother to count the number of orgasms the girls achieved and when Bill and I finally blew our loads into our wives we all took a much needed break to rehydrate and rest before we had the girls lie on their bellies on the seats so they could be fucked from behind. After that we moved over to the couch we swapped spouses again. It went on for hours until we could not go on any further and we all collapsed on the bed in an entangled mass of sweaty bodies.

"Oh my God I have never been fucked so much before!" Emma sighed, rubbing her well worn pussy. Both girls were not only leaking of cum from their reddened snatches but their faces and breasts were also covered with the white goo.

"You better be pregnant after tonight, hon," Bill joked.

"Do you mind if we take a shower first?" I asked. Luckily Bill planned ahead and had installed a shower in the room for such occasions.

"Go ahead," Bill replied as pulled his wife into his arms for a kiss.

As much as I would have loved fuck Sam in the shower, we were both tired and just wanted to sleep. The same couldn't be said of Bill and Emma because we heard them moaning and flesh slapping against flesh while we showered off the sweat and bodily fluids from our bodies. I conceded the contest of sexual stamina to Bill that night. When we stepped out of the shower, we found them cuddling.

"You guys can stay in the guest room," Emma offered.

"Thanks," I replied.

"Are you guys coming upstairs?" Sam asked.

"I think we'll stay down here for the night," Emma giggled, glancing at Bill.

"Good night and have fun then!" Sam laughed.

My wife and I slept in until noon and made love before we went downstairs for lunch with the Youngs. It was pretty much a typical day afterwards -- we acted like nothing happened the night before or risk linger feelings for the swapped spouse. After lunch we thanked our friends for inviting us over for possibly the last special occasion and went home happier.