After listening to his mother chirp at him for not calling, and then her making up for it by asking him if he was hungry (which he was definitely not)... he told them that he was going to bed. He passed by the living room on his way, and glancing in, saw his sister curled up on the couch, watching TV. She looked up at him with a concerned expression, but he didn't stop walking. Climbing out of his clothes and jumping into his bed, Mark fell almost immediately asleep, exhausted and drained.It was. "Thanks, that tells me everything." I said."Well what do you want to know?" she replied, "do you want to know who I snogged or who squeezed my tits?" No of course not," I said, "did you get your tits squeezed then?" No I didn't," she said, "I thought I leave that for you to do as you paid for my night out, I thought I give you the prize of being the first." Thank you sis," I said, "I would consider it a great privilege to be the first to give your luscious tits a good squeeze." Go on then," she. She started kissing me deeper as I started fucking her again. I was getting better at knowing when to stop,concentrating more on making her moan and cum.This went on for a while until I couldn't hold out any longer and told her I was going to cum.This time she grabbed my cock and jerked me off on her tits,then sucked the remaining into her mouth. We sat there snuggled against each other talking about what just happened.She looked at the condoms showing me where the sizes were marked."Next time. I lingered at the counter. "By the way," I ventured, "if these don'tfit, I can return them for a refund, right?"I thought the kid would faint! His blush deepened and spread, and heswallowed several times as he shifted his weight from foot to foot.Finally, he managed to croak, in a hoarse whisper, "Size doesn't matter,ma'am. One size fits all."I smiled at him, extremely aroused by his embarrassment. It was almostas good as a man might feel in despoiling a virgin. After a long pause,while I.