Eric laughed, "two weeks? How about our entire lives s*s!" Emily smiled sheepishly and flopped down on the couch. "You ever think it will stop? The mo...ing I mean?" she asked. Eric moved down beside her, his arm across her as she leant into him. "I think so s*s, I mean at some point we can just leave. Find someplace to call our own and stay there."Emily curled up on the couch beside her brother now. "That would be nice, but I don't think I could do it alone. I mean you've been with me at every. I’m usually up for new adventures, so I agreed to meet with them.Fast forward to last evening, when we were drinking a few beers with take-out in their backyard. The atmosphere was very relaxed, we were just sitting there, eating, chatting, and in the hour that had passed, the topic of sex had not even come up once.I estimated they were in their early forties, and noticed how tall both of them were. The husband looked like he carried an extra few pounds. I pegged him at 6 feet and around 200. It wasn’t long before her voice confirmed his discovery;“Fuck! that’s it. Right there, you can go a little harder now.”Harder he went, and faster. Her orgasm was a relief as, if anything, the pleasure had been too much. When it came it shivered through her with greater intensity than she’d ever felt before. She wasn’t done though.“You need to fuck me now, I want you inside me.”“Get on your knees then.”She did as he asked and he positioned himself behind her. Squeezing her arse he readied. I always marvel at how lucky those chicks are to share and devour their mutual beauty with no shame whatsoever.I showed him the spread and said “I have always been jealous of these beauties tasting each others sex with no inhibition.” I caught his eye again and said, “now I get my turn to fully connect with my own sex”.He said, “my cock is yours man, treat me like you would treat yourself”I positioned myself on my knees between his legs with my face a few inches from his straining crotch. I.