I'd been hard all day. I needed relief desperately. My eyes were half closed; I was losing my sense of reason. I was rotating my hips on her face. My ...reath was coming in short gasps. Her eyes were still locked on mine. My balls tightened up. My dick started to swell. It was as if she sensed what was about to happen. Her eyes lit up! She turned on this switch and I was dazzled by the light in her eyes. It was all I could take. I began to cum. My hands were on the sides of her head, guiding her,. “Er, well…” I stumbled, “I saw the medical was today” I furthered.He turned his attention to one of my class, a male student in his twenties. “Well?” asked the Doctor.The young man offered up that the thought he maybe referring to the fact that patients were required to be in their underwear.The Doctor, mumbled and turned back to me.“At least your students are able to read English!” The Doctor said sharply.He continued to glare at me for a few seconds, “Well what are you waiting for, strip for. " That was it. My cock exploded, shooting a long stream of cum into her face and hair. Quickly, she took me back in her mouth and sucked me hard, swallowing all I had to give."Mmmmmm. You taste like your grandfather did." Suddenly I had images of my Papa fucking Gran running through my mind. My cock was getting hard again."You get hard quickly like him, too," she said, as she straddled me and pushed my cock into her pussy. I groaned and moaned, leaning forward, squeezing and sucking on her. She grabbed my right hand squeezing her boob tighter and moved my other hand lower to feel the warmth. Leaning her head back for a passionate long kiss, she said “This is so wrong but you have such a beautiful cock. Don’t lie to me, I saw it when it was hard. It wasn’t 8 inches.” I pulled out the measuring tape from my pocket and pointed at my hard dick.Maria quickly got on her knee, and violently pulled my pants down. Murmuring “It’s not that big!! It’s not that big!! It’s not that big!!”. My.