Drinks were placed in front of her, payment was being handed over and I could see that relief was plastered all over her face when the money was relea...sed.It wasn’t so much that she had managed to secure us a couple of drinks by paying for them, it was that she was having an orgasm from the dark-haired girl’s fingers, which had busied themselves down her jeans and inside her knickers as she leaned over the bar. I could see her hand pulsing up and down, bending at the knuckles, as she held her. Now that's not saying that multiple partners is right for everyone. For a lot of women one man was more than enough. And I had that one man, Eric. So why did I enthusiastically hop into the sack with all these other guys? There was an implied social compact between us, that's why. Well, that and sex was safe, fun, and pleasurable.Okay, time for some explanations. The Pill changed everything. I was not going to get pregnant unless I wanted to. And we only had sex in our enclosed little group,. She began to suck his cock in a manner he had never experienced. She was rough and aggressive stroking his shaft while sucking its head violently. Biting it, licking it and sucking it over and over until it was all he could stand. She was stroking his cock with a firm strong grip while engulfing it's head and he let go uncontrollably with an explosive orgasm squirting what felt like quarts of hot creamy cum into her mouth. She continued to stroke and suck his cock while swallowing all he had to. Digging my fingers into her hips, grunting and groaning I thrust up as she slammed her sweet pussy down till my balls were tight up against her ass. And I gotta say, I loved the feel of her taking control. Still, part of me could hardly believe I was actually fucking my mother-in-law, especially since she was giving me the best ride of my life.Right now nothing else mattered but how good she felt as she bounced her ass up and down on me, clenching me so hard I could hardly see straight, I.