.." her body was still on fire and her thighs were slick. She had been so close."Please dear, we really have no one else to call. We will gladly pay y...ou double the normal rate. " She looked so desperate."I suppose--" Great!" She said and practically dragged Patricia out the door and over next door. Patricia felt a pang of disappointment as she was pulled into her neighbors house. "Deacon!"Patricia hear a loud clamor of footsteps as Mrs. Peterson called her son down. She was mildly surprised to. I saw that she was sliding her fingers through her pussy, opening it to me, and I prayed that she would not hate me for ignoring it. I told myself that she had invited to me to explore my fantasies, she said absolutely anything would go, and so I went. I leaned in and the head of my cock pressed against her firm asshole. She gasped and grunted, and her eyes shot wide open. My licking had well lubricated her ass but even still, it was going to be unbelievably tight. My first push barely even. It's probably the cock spasms as the man ejaculates that they can feel against the sphincter, or the cum as it dribbles out of the arse across the sphincters, which are responsive to temperature, touch and movement.The tension level of these muscles varies from person to person. Rectal muscles are not as powerful as the anal sphincters, but if they are tense the insertion of anything can be painful. The rectal muscle coat is marked in the illustration below.Pubo-rectal slingThis is a strong. His breath quickened as he got more and more aroused."Jen! Oh Jeez, Jen!" he moaned excitedly, uncontrollably humping herfist as the first spurt of cum shot from his penis."Oh God!" he gasped, continuing to spurt, as his little sister squeezedand tugged his excited penis. "Oh Jen! Oh Jen!"Finally, it was over. Tom was done although Jen kept squeezing hispenis, milking the last drops from him. When she was satisfied, shestopped, smiled at Tom, then turned and left the room.It took Tom a few.