She stared out the dark window until she was brought out of her trance by someone, and she looked at him, out of focus until the words set in."Tickets... miss?"She realised she had no money or card."You know, it's a serious offence, miss, not to have a ticket."The guy was five foot four if that, bald and with thick glasses."I'm going to have to report you and have the police at the next stop if you can't pay for a ticket."She just looked at him, from top to bottom."Have it your way, miss."He. I had already seen the movie at the theater so I could walk away without them having to pause it. Mick and my wife both wanted to see this movie bad and would be absorbed in the plot so I would be able to go about my plan easily. I started the movie and everyone got settled in to watch it. I kept the drinks and snacks coming.It didn't take long for Bim to need to go to the bathroom. I helped her down and into the bathroom. I left the door open in case she needed to call for help. I started the. ”My cock was so hard and begging to get loose so I decided it was time to take this as far as she would allow. I pumped my fingers in and out of her rapidly a few more times and then started massaging her clit a bit more, and her breathing quickened into short little gasps and quiet little squeals of delight as I kept up the stimulation. And then I could feel her tense a bit, nothing overtly noticeable, in fact if I had not been a masseuse I may not have noticed the change. I was used to. . it was a pair of her panties that she had worn yesterday. She drew them out from under the sheet. They were scrunched up and stiff. She smelt them and smelt sperm, her son's sperm. He had obviously pulled them out of the laundry basket last night and used them for masturbation. This now explained why she had had trouble finding some of her panties over the past year or so and how they would mysteriously turn up again. Her son, her little boy with the massive cock, has been fantasising about.