I pulled out of her and held my fingers near her opening where she was gushing like crazy. I brought my drenched fingers to my lips and tasted the mos... sweet taste ever. She helped me cum by stroking me while we kissed and she got a taste of her own cum. After we were done, we cuddled inside her sleeping bag naked. I held her in my arms and decided to play with her tits one last time before I left. As I started running my hand over them, I realised that they felt bigger than before. "When. I began thrusting inside her. Long, slow, deep thrusts, feeling every inch of her glorious young cunt. All thoughts of the wrongness of mating with my own sister left my head, replaced with the anticipation of cumming inside her tight, persuasive pussy.Holding my head in her hands as her hips gyrated, she said, "Don't worry. I'm on the pill, and you aren't leaving this bed with an ounce of cum left in those lust bloated balls of yours." She grabbed my hands, placing them on her pointed breasts.. They couldn’t listen to experience, “ he said.“You say that like you personally warned them,” She said.Whereupon, Andrew launched into a lengthy discourse on just how he had warned them. He went on to recount his history at the bank and the blockhead stupidity that had forced him into retirement. She sat there as if entranced stirring her coffee and occasionally taking a sip while nodding her head in agreement with his discourse.When he had talked himself out, he said, “I must be boring. I undressed and climbed into that King-Sized bed she had. It took up the whole bedroom; I asked her why she had gotten such a large bed to which she replied, "I need it." Well, she didn't need it that night. She came out of the bedroom in some flannel pajammas and just turned the light off and said now go to sleep. What did she mean "Go To Sleep? What kind of game was this? The next night she let me stay the night again; I almost didn't know what to expect, maybe another put off. This.