My thrusts increased in strength, slapping against her ass. Now, instead of pushing me backward, she was allowing herself to be edged along the sofa a... I pounded into her. She clenched her pussy, almost making me stop but she was so wet it just forced me to slow and push harder. In the doggy position she had asked for, we edged forward until Ken had a ringside view of my cock ramming into Karen’s dripping wet pussy. It was literally just beyond the end of his nose.“God! Fuck, you’re….” I didn’t. Kelsey lowered her mouth to my cock and quickly got it to an erect state. To this day, I don't know whether my wife too shocked to respond, or was going to try and stand her ground. But Kelsey wasn't going to be put off; she got to her feet and pushed her shorts and panties down, then sat down on the couch beside Catherine and spread her legs wide."Wanna watch or join in?" Kelsey asked Catherine. "Maybe we should have a competition to see who's the best fuck? You should win; you've probably had. We were all taking a break and catching our breath, and they were lightly kissing my neck when Linda reached across to the hand I had on her hip and pressed it down to her ass. I gave it a squeeze, and she sighed softly. Mandy noticed this, and she then did the same thing!I looked over at Linda, and saw she had a smile on her lips. She leaned over and whispered into my ear “Just go with it baby, just so long as that hand remains no farther forward than her hip, and on the outside of her. Her letters never touched on that subject at all, though I didn't shy away from mentioning the several girlfriends I went through. Med school is tough on its students, and tough on their girlfriends and boyfriends, too.I subscribed to some entertainment industry magazines, so I could relate to her career and have stuff to write about. Not the tabloid kind, the kind about the business side of things. She knew I did that, and I think she enjoyed writing back about how things really worked.It was.