It was silky smooth, clear and oil like in texture and the sensation of spreading it over my entire knob was nothing short of electric. I still had no...idea what was going to happen next. In some ways it was like I wasn't in control. The speed of my stroking increased by some inner force that I seemed to have no control over and the tingling sensation in my balls quickly intensified. I now noticed that my cock was so engorged and elongated that it caused my balls and their usually slack bag to. He applied pressure and slowly his dick began to slide inside her tight pussy. He stopped when he reached her hymen. "You're sure you want to do this?" he asked. "Yes" she breathed. He pushed in farther, feeling Charlie stretch until she finally popped. "Ow!" she cried out. "I'm sorry! I'm sorr-" he stammered."Shh shh shh. It's alright. Keep going."He pushed all the way inside until he bottomed out before pulling back. He made this motion over and over until both teens were moaning in pleasure.. Holiday season passed and the kids returned, bringing us partly back to old routines, but a boundary had been passed and could never be forgotten. One Monday night in August, after a very erotic couple of hours in the conjugal bed, Helen was lying very relaxed on her back, hands under her head and her beautiful body spread out for the benefit of my eyes."You said once, that you would like me to take Alfred alone and teach him something. Did you really mean that?"A very erotic shiver ran through. And this particular 15-year-old that she had locked between her thighs was her own son.She looked down at the boy, licking her lips, watching him use nothing but the tips of his index fingers to steer her sensitive nipples around like little knobs. She needed some resolve not to groan out loud, and not to demand he stop doing something that sent waves of irritant pleasure through her body; irritant because it made her feel anxious and made her feel like just grabbing her son forcefully and do.