Why is that picture making you so upset?" David took the picture honey, that's why."I was shocked. "Grandpa David, your dad? He took the picture? Why ...as he..." She turned to face me."Look honey, when I was your age... he... we... well my mom let him... I mean I was so horny and mom knew it and she let him... well she didn't want me to learn about sex in a back seat of a car so she..."Stunned wouldn't even begin to describe what I was thinking. My mother and grandfather having sex! And my. Slim fingers closed around the upright cock, and she held her man in a firm grip, tightened her fist, clutching him with a surge of possessive urgency. The words “cock-sucker” floated into her mind. She gave him a quick yank and he groaned, and his helpless moan of pleasure, sent a wild thrill rocketing through her. Bowing her head, she kissed the taut swollen knob, then opened her lips to slide them wetly down the rigid shaft, taking him into her mouth. Sliding the taut ring of her lips down. Thought it was best to go home. I got an Uber and they dropped my off. At least know one was home I thought. After walking inside, I heard some in the kitchen.I crept around slowly because I knew no one was home and my wife was gone for the weekend. It was my brother-in-law. I literally forgot the other week my wife said he would be visiting for a day or two. Why did she leave the weekend she was coming? Probably her sick joke. My brother in law is a heavy set dude. He is a 19 year old black. She sets her purse down on the table and smiles, crooked teeth show but I could care less. She kneels down and takes my entire cock down her throat in one swift motion. I’m holding the joint in my left hand and place my right hand on her head. I control her depth, her speed. Rebecca sucks tightly, yet sloppy. She has not said a word, she has been cock-starved for too long.Her primal instincts are kicking in right now, her sole purpose is my cock and to make sure her lover is satisfied. Rebecca.