Many years ago, when we were much younger, we took a cab to a nearby club where we met a nice guy who was staying at the same resort in Arizona. Stacey was dressed to kill - low heels, thin wispy low-cut cocktail dress, sexy panties and bra and no hose. She got plenty of attention while there - enjoyed conversations and dancing with several guys. As the night moved along she took an interest in one particular good looking guy - about our same age, mid-40s. She hadn't played around in several months and I knew when he linked up with us at our table how the evening was going to end up. They engaged in lots of flirting at our table and on the dance floor. Didn't take long for it to turn to casual touching and light kissing. Though not uncomfortable, I left them alone on several occasions and just walked around the club making small talk and wondering how many others were there to swing or cuck their husbands. I’d come back and they’d be cuddling - basically ignoring me though I continued to buy them drinks. He was playfully running his fingers along her thigh and barely visible bikini panty line; and enjoyed rubbing her back with his hand as he occasionally lightly kissed her neck and lips. As the night ended, he offered to take us back to the resort (we had grabbed a cab from the resort) - of course we accepted. He was driving a Mustang - and I ended up in the small, scrunched back seat as Stacey sat next to him up front. It was a 20 minute drive back to the resort and he rubbed her pussy with his fingers the entire time from when we got in the car til arriving at the resort. From the back seat I clearly watched him reach over, his hand under her dress, and play with her thighs at which time she spread her legs a bit to invite him to move up to her pussy. She moaned and moved her hips as he played with her throughout the drive - obviously penetrating her and rubbing her clit. Her dress rode up considerably and I could see she was still wearing panties as he deftly moved the crotch aside to gain entrance with his fingers. Upon arrival she told me she wanted to hang out a bit and asked I’d mind giving her some space. We got out of the car, I kissed her lightly on the lips, and told her to be safe and to have fun. He made light conversation but was clearly ready for me to leave. When I got back to our suite, I couldn’t even contemplate going to sleep. I stayed awake, turned on just thinking about what they were doing in his suite which was across the property. She came back a few hours later, carrying her heels, her hair a bit of a mess. I told her I had to know the details of her evening with him. She got out of her evening clothes, and stepped out of her panties and threw them at me. They were completely soaked from both their juices. She joked the only reason she wore them was because she didn’t want his cum running down her legs as she walked. She wasn’t kidding - he must have filled her several times. The experience that she shared was pure lust on my part.