She was slowly sucking on the head of my cock as she continued to massage those incredible tits. I watched as she moved her hands and grabbed a nipple...in each hand. She held each nipple between her thumb and forefingers and began pulling and twisting them. Then she pulled them away from her body and shook them. This caused her tits to shake like bowls of Jell-O and I was getting so horny I thought I would lose it. Then she moved one hand to my balls, grabbed my sack and pulled gently but. Ty had sent me a message saying he was taking a nap. I had an hour long shower and spent another half hour dressing up. I wore a tank top with no bra and a mini skirt with the tiniest excuse of a thong, which barely covered anything. I spread one of my towels on top of my bedspread and sat there, grabbing my phone in the process. Another text from Ty popped up and it said, ‘I couldn’t sleep cause I want you so bad. I’m on my way now.’ I felt a little nervous and before I could think, he had. . and he handed me something. It was his wifes used knickers too. I followed his lead and sniffed them.I was so horny as I sat there in the dark watching him wank into my wifes knickers and sniffing his wifes.He stepped closer to me and said 'Make me cum in them.' In spite of being 'straight' I reached, held onto his big-ish cock and wanked him as he held her knickers in front of his cock. He had arranged the gusset ready for when he spunked. When he came off some of it went onto her knicks. “You realize there’s no turning back from this?”She laughed and said, "I stopped caring about turning back some weeks ago. I have fantasized about you lately while you are jerking off in the bathroom. In fact, if there is no patient there, I go into the exam room next to the bathroom and close the door. I can hear you panting through that wall as you get hotter. I have even been fingering myself in time with you, picturing you stroking your big dick faster and faster until you grunt and.