I still have to take the film in for developing." This was long before the time of the digital camera. "But I will pose for you."That stunned me. My s...eet wife had always refused to do more than the occasional portrait. She walked to the center of the room and sat down. First, she lay back on the carpet, then she spread her legs pulling her dress up to her waist. She was quite exposed. She then moved her right hand over to her vagina and inserted her middle finger into her pussy. "I want to. I let out a muffled cry of pain as my strained cock seemed to get even harder. Was I getting turned on by the pain as well as the shame? What was wrong with me? Was I a masochist? A submissive? I try to avoid using public toilets, especially if they stink, yet here I was greedily cleaning the dirt direct from a strangers’ anus. Her fingers were having an electrical effect. I had no idea that a mans' nipples could feel like this. It confused me even more than the forced tongue-cleaning I was. ”Lexi started laughing like crazy as Cad in slow motion slid out of the tree landing on the ground with a muffled roar and a thud, he got up and stumbled over with a silly cat grin on his face. “Boy are you two in trouble” Priss hissed at Lexi and Cad, they just giggled, Lexi grinned widely at her mother “you look much better then the last time I saw you, crawling around in the tunnels under the house the girls had dug, trying to find them while they sat in the tree watching, it was really. I got one glimpse of her face in one of their home videos, and she appeared quite attractive. I couldn't tell for sure because Jack had been using a crappy old video camera that made everything come out somewhat blurry. I had watched them suck and fuck each other, but beyond that I knew very little about them. I understand it's not usual after 25 years of marriage, for a couple to start looking for ways to spice up their sex life. Jack had already told me that the sex videos they made were.