A little too much (betrayal)

My friend Lauren invited me over to her place for a small BBQ. I hadn't seen her in a couple of years, but we went to college together and I looked forward to seeing her. She had recently gotten divorced and I was recently dating a new guy (Jerry), so there was much to talk about. I asked if it was okay to bring my date and she said that was fine.

When we arrived, there were about a dozen people there, mostly female friends of hers who were there solo, but a few guys too, including my guy Jerry. The weather was sunny and warm, so many were dressed for it. When I saw Lauren, it was evident that she spent some of her money from the divorce on a new set of tits, as they were bigger than they used to be. She was wearing shorts and a bikini top with her new tits nearly pouring out of them.

It was a nice time and Jerry and Lauren hit it off. I didn't realize they had so much in common, but as we socialized out on the patio they were almost inseparable. It made me a little jealous, actually, but I was cool with it. Lauren just seemed more into him than she was into talking to me. That was okay, as there were plenty of cool people with whom to chat.

It was a bit later when I went into the kitchen to take back some plates when Lauren, who was pretty drunk by that point (we all kind of were), asked me, "Hey, have you and Jerry ever done a threesome?" I said no. I added, "If you are asking us to have one with you, the answer is no. I think of you like a sister." She admitted that she was hot for my man and wanted to fuck him. She thought that maybe it could be fun for all of us.

Jerry was a few feet away from us and heard the whole thing. He asked me if I'd reconsider. My answer was no, but I could tell that he wanted to fuck Lauren big time. I wasn't going to cock block him. I said, "If you two wanna fuck, go ahead. You do you. I'm going back out to chat with the others and pretend this isn't a thing." I said that I only asked for a couple things: don't kiss her and don't cum in her pussy. I said that is for me. He said okay.

I went back outside and Jerry and Lauren stayed inside to fuck on a couch. The door to the patio was open, so it didn't take people long to know what was going on. We could see and hear them from outside. One of the other women asked me if I was okay with this, and I just said, "I don't know. I guess."

A few people went in to watch and after I finished my cigarette I went in too. It was a little messed up to see Jerry so in the moment and enjoying Lauren's pussy, fucking her with long, deep strokes. The visual was unnerving. Lauren is also quite attractive, so I was jealous of her looks too. They both looked way too sexy fucking.

I was still mildly okay with all of this until Lauren started to orgasm. She said to Jerry, huffing, "Oh, cum in my fucking pussy. Cum in my fucking pussy, damn it!" That sent him over the edge and he did just that.

I tried to act calm, but he broke one of the rules. I was a good sport and didn't want to look pissed off in front of the others, but inwardly I was seething. I wasn't even pissed of at Lauren. I said they could fuck. I was pissed off at Jerry for coming inside her. After they finished and Jerry got dressed, I grabbed the keys and we went home. I was upset and told him that he betrayed me by coming in her pussy. He said he couldn't help it. "Oh, yes you could," I said.

We didn't talk that night, but things have been okay since then. We can get through this.