I only did this when Dad was gone. While at grandma's one night I noticed she had a clear view into my bedroom from her living room. After that I alwa...s left my blinds open and would lay naked on my bed jacking off. I knew she was always watching since her light always went off when I turned mine on. It was such a thrill jacking off and eating my own cum as Grandma watched.Then came the night I was to spend the night at Grandma's house. I had went swimming with a friend and spend all day in my. She gently crawled on her knees between his muscular legs; her perfectly manicured hands lay flat on the top of his thighs, her wedding rings glinting in the low light. Her thumbs explored his scrotum and ticked his big balls. Her long hair tumbled over her shoulders and down her back. Her nipples were like tiny towers thick with arousal and looked incredible in the sexy sheer baby-doll top. She leaned in and stopped her mouth an inch from his erection. Looking up at him with lidded eyes she. Your caress continues up my legs and onto my belly. I gasp, involuntarily, as you cup my breast and roll my erect nipples between your fingers. I feel you lean over me and open my mouth as you kiss me. Our tongues dance together as we share a moment of passion. You lean back and I sense that the ropes around my ankles untied from the bedpost. Am I to be freed, I wonder? But no, I find that I am still secured by your restraints. I have been given only enough rope to spread my things, and allow. You want me to go in like this, showing my tits?, she asked me. Its an adult theatre, I replied. So we went in, she was slightly holding her blouse closed as we paid for the tickets.We sat alone for sometime until we were joined by a young man, who sat next to my wife, looking at her uncovered breasts with hard showing nipples. It took him awhile to get bold enough, but then he reached over and caressed one breast. My wife looked to me, but didn't stop him. Soon, he was caressing both tits and.