She was wearing a light colored blouse and, as I kneaded the muscles of her neck she would lean forward and I could see the tops of her breasts. I let...my fingers slide just a little below her neck and almost cupped them but “chickened out” as the last second. I wondered if she was encouraging me to massage her breasts by rising up as she did. Maybe I’m a little dense but I prefer to call it cautious. No question, though, that she could feel my erection pressing against her back. I wasn’t THAT. The temperature was very comfortable 27 with wind only 1 to 2 meters per second. Rick pulled his team close with his arms around our waists. We started walking. The wet sand felt good on our feet. The sun was shining. We were in love. We felt safe and comfortable with Rick next to us.But we hated that this was our last full day with him for perhaps a year.As we walked along this long but narrow beach it looked like there was a couple enjoying the peace and quiet of a nearly deserted corner of. The Canadian road crews were always working somewhere along the Alaska Highway, no matter the weather.We drove a while in silence. After about ten miles (about fifteen minutes at the required speed) she turned to me. She asked about me. I told her as much as I wanted her to know. It was a new experience having company for this trip, so I probably let my mouth run a little more than I should have. When I stopped, she looked like she was going to ask something else, but I beat her to it. “What. After a few drinks I suggested another man watch us fuck while he masturbates. She upped the ante by suggesting we invite another man to our hotel room where we'd be staying in Philadelphia in February, and just see where things went. I was intrigued....She opened idea of an older man (over 50) to seduce her in our hotel while I watched. Seeing her get enthused talking about the fantasy I naturally was receptive. We put up an ad on a site and described what we were after. We vetted extremely.