My wife, Diane, and I had been so busy with work. There were a lot of deadlines, stressful meetings, clients that left, teammates that moved to other teams, and it was starting to get to us. One night, as we both got home late, we looked at each other and realized we were not doing well.

Diane said, "Let's go away to the local Hot Springs Spa. We've always wanted to go there, so let's get away this weekend."

I agreed, and we looked up to see if they had space available. They did, and since all of the rooms had private hot tubs that other rooms couldn't see, we knew we were in for a really good time.

Friday finally came around, and we headed over to the spa. Check-in went fine, and we dropped our bags at our room. We checked out the balcony, where we saw the hot tub. It was empty, but there was a spout that you could use to get the fresh spring water into the tub. This was going to be great! I told Diane, "I can't wait to use the hot tub. We're going to have fun there."

Diane returned a devilish smile and rubbed her hand up my thigh as she whispered, "Just you wait."

We then went downstairs for dinner, where we noticed a few other couples. Most were about our ages, 30s, and a few were older, in their 40s and 50s. There was one couple that just seemed to catch my eye. The woman was just gorgeous with shoulder-length brown hair, a fit body, and tight white pants. The guy was fit and seemed very much at ease with the woman. I couldn't help but think what they were like having sex. Their bodies just would be so amazing--muscular and fit without being excessive.

I looked up and noticed that Diane was also looking at the couple. I said, "It looks like there are other couples here looking to have a romantic weekend as well."

We then had a nice dinner with a couple of glasses of wine. Dinner service was good but not fast, so we had time to enjoy our company and just catch up with one another. We noticed the other couple had left when we were still having our main course. After an amazing meal, we headed back to our room.

Diane and I undressed in our room and, with just our towels, slipped out onto the balcony. Diane opened the spigot and said, "Wow, this water is really hot. This is going to be so nice."

Diane then let her towel drop to the deck and slid into the hot tub. Diane's body always gets to me, and my cock twinged a bit just at the thought of going inside of her. I dropped my towel and joined Diane in the tub.

We were just relaxing, soaking in the hot water and enjoying the feel of our naked bodies against one another. Diane said, "What's that?"

We stopped and listened quietly, and we could hear another couple making love in their hot tub. This immediately got Diane and me turned on listening to them. You could hear the water splashing in a slow rhythm and some gentle moans. The woman's gasps were audible. Diane was leaning her back against my chest, so I reached my hand around towards her pussy. She opened her thighs to give me easy access. I ran my fingers up and down her lips and easily slid them inside her. She pushed back against me and let out a shallow gasp of pleasure.

We stayed quiet and still as we really wanted to listen to the other couple. After a few minutes, the splashing became faster, and both their moans became deeper. The woman gasped deeply, and the guy grunted. Then it was quiet.

My cock was so hard it could have broken through a concrete wall. Diane turned to me and said, "We'll need to be quieter than that."

Diane mounted me in the hot tub. I had to slide down a little so my cock would be more easily accessible. I slid inside her, and Diane started riding my aching cock. Her pussy felt so good. I love fucking in a hot tub with the water and pussy. I grabbed her hips and pushed her back and forth on my cock.

She said, "I'm thinking about that other couple. I bet it'd be so hot to have sex with them in a hot tub together."

This got my cock just about ready to explode. We've had sex with other couples before, but they were always planned out. Diane was obviously thinking of the couple as she closed her eyes and pushed harder onto my cock.

I said, "I'd love to have sex with them. I could just imagine his cock sliding into you. I’d watch it disappear as he thrusts deeper into you.”

Diane was reacting well and grinding harder on me. I could feel my cum building, and I needed to be careful not to cum too soon.

Diane said, “I’m picturing his big, hard member sliding into me. He’d fill me up with so much pleasure. I’d look over at you and the woman. You’d be transfixed on us as you touched one another. I love it when you watch me make love to someone, to feel that pleasure and a bit of jealousy. I’d start bouncing faster on him.”

As Diane narrated the fantasy, her body moved in time with it. It was so hard not to cum.

I said, “I really wanted to taste the woman’s pussy, so we positioned where she could watch you while I went down on her. She moaned with pleasure as I licked her clit and lips.”

Diane said, “The guy would grab my hips and tell me how he’s getting ready to cum. I’m turning him on so much. I’m watching the woman’s pleasure from you eating her out.”

Just as she said that, Diane’s body tensed up, and she pushed her body forward into me. The pleasure of her orgasm, coupled with the thought of a guy’s cock cumming in her pussy sent me over the edge. I started shooting my load into her. The intensity was so high that my body tensed up, and I grabbed her hips and pushed her back and forth on my cock.

After a few minutes, our bodies settled down.

Diane said, “Well, that was pretty good.” She smiled a loving smile at me.

I said, “I love making love to you, but it does turn me on thinking about you with someone else.”

We went back inside to rest for the night and slept so well. In the morning, I woke up thinking about the night before. Our sex and the couple next door, well, my cock was ready for more.

After Diane woke up, we talked about the day and went down to the restaurant for breakfast. As we left our room, our neighbors also left theirs. It was the good-looking couple from the restaurant last night. They were dressed in casual clothes and were smiling as they also worked their way to the restaurant.

The lady said, "This is such a lovely resort," and smiled as she walked by.

My breath got shallow and quick just seeing her gorgeous smile and hard body go by. Her body was just absolutely rocking, and I started thinking about how good it'd feel to grab her waist as she would sit on my cock. I was completely lost in my thoughts.

I then realized Diane had struck up a conversation with her as we all walked to the restaurant.

Diane said, "Tom, are you OK if we join Lauren and Matt for breakfast?"

All I could manage to say was "Ok", and what I thought was that I hope Diane doesn't realize how turned on I was thinking about Lauren and Matt. I was thinking about them in their hot tub last night. They were the couple that Diane and I heard making love.

We all sat down, ordered our breakfasts, and made some small talk about the resort. After a few minutes, Matt said, "It seems like you two definitely enjoy it here. We heard you last night enjoying your hot tub."

Diane turned a bright red, and I could feel the flush in my face as well. I said, "I'm sorry about that. It's just a great place, and Diane, well, she definitely is a spicy one."

Lauren replied, "That's OK. We took advantage of the hot tub as well."

How in the world did our casual breakfast conversation turn to sex at a hot spring resort with a couple we'd never met? I had no idea and wasn't sure if I should go with it. I know I desperately wanted the conversation to keep going and have a hot romp with this couple, but Diane and I had always talked first before we engaged another couple.

Diane touched Matt's arm, smiled, and said, "We'll probably be taking advantage of the hot tubs again, so we'll try to keep it down."

Matt was obviously entranced by Diane's smile and replied, "I think we'll be doing the same," and he looked at Lauren and said, "Maybe right after breakfast, Baby?"

Lauren touched Diane on the arm and said, "You should see our hot tub. It's big enough for four."

Just then, our breakfast arrived, and we all ate a bit in silence as we let it sink in that we were all thinking about making love as a group.

Diane eventually said, "Tom, we should at least see their place in case we decide to come back here at some point."

We finished our breakfast and headed back to the rooms. Lauren said, "Why don't you come in just to see the hot tub?"

Matt led us through their room to their balcony, and they were right, their hot tub was easily large enough for four people to fit, although it would be quite tight. Lauren turned on the spigot and started filling the tub. My mind was spinning thinking about this incredibly hot couple that seemed to be as sexually adventurous as we were.

Diane then blurted out, "Well, we need to see if this really can fit four people."

Lauren smiled and replied, "I bet we can, but it might be a tight fit." Lauren then started to undress and slid naked into the tub. Matt quickly joined her. I finally got to look at his cock, which was about 7" and had that perfect shape--straight, with a nice head to it.

I looked over at Diane, who was undressing, and I then started to undress as well. We all slid into the tub and felt the warm spring water relax our bodies. Well, my cock was definitely not relaxed. Lauren was on my left, and Diane was on my right, and feeling both their legs rubbing against mine was all I needed to know what I wanted.

I then felt Lauren rub her leg up and down against mine and look over at Matt as he rubbed a hand on Diane's thigh. Diane responded by reaching over for Matt's cock. She gently grabbed it and massaged it under the water. I felt Lauren grab my cock, and I reached for her pussy. My fingers slid right inside of her as she moaned gently and pushed her hips forward.

Lauren then asked Matt, "Are you OK, Honey?"

Matt grinned and said, "I'm doing great, and it seems like Diane is doing just fine too."

With that, Matt asked Diane to sit on the edge of the tub, and positioned himself between her thighs. He then started licking her pussy. Diane grabbed Matt's shoulders and closed her eyes. I watched as Matt brought Diane so much pleasure.

Lauren then turned and mounted me. It took a little posturing, but we were able to position ourselves in the tub. The tub was obviously not big enough for a foursome without a lot of body contact.

Diane was looking deep into my eyes and said, "Your wife is going to love Matt's cock. It's so big and hard and will just bring her to ecstasy."

I looked over at Matt and Diane, and they'd changed positions. Diane was bent over the edge of the tub, and Matt was fucking her from behind. Diane was gasping in a way that she had not when we made love.

Lauren said, "Matt's cock is so incredible. It is obvious how much your wife loves having it inside her. Just look at her face. She is lost in the pleasure."

Lauren was not kidding. Diane was lost in pleasure, and having Lauren talk to me about Matt's cock was making it hard not to cum right away.

After another minute, Diane said a little too loudly for being on a resort balcony, "Cum in me. Cum in my hot pussy." As if on command, Matt started thrusting faster and, in less than a minute, was grabbing Diane hard on the hips and pushing deep inside her. This sent Diane over the edge, and she came on his cock too.

This was too much for Lauren as she started thrusting onto my cock. The splashing was sending the water over the edge, and we got into a rhythm where she came on my cock and I shot my load into her. It felt like I was never going to stop cumming thinking about Matt's hot load inside my wife. It was truly an amazing experience.

After a few minutes, Diane said, "Well, I guess the hot tub is big enough for four," and we all laughed. We then went on to enjoy the rest of the day as a foursome that created a friends with benefits relationship that continues to this day.