We're used to the stares by now and we can certainly understand them. Allen was once ultra-conservative, until that fateful day I begged him to parade... around in a pair of my panties. Now he's very open-minded when it comes to sexual matters."Why don't you try it on?" I said. "To be safe." I think it'll fit but okay," said Allen. I pushed the buggy to the mens fitting room with Allen close beside me.A man about Allen's age stood behind the fitting room counter. "How many items do you have?" said. " She stated that rather authoritatively, making it clear that she wasn't joking around with this suggestion. Christy didn't seem thrilled with it, but Stacy quickly added on: "If you're not okay with that, then you wear diapers now. Those are your options."At this point, she didn't see much of an option. There was no way she was going to willingly wear diapers, so the bet was the only option she could consider. She just hoped she could make it to bathroom more often than she had in the past. Kirsten looked embarrassed, "you make me wet when you touch me" she blushed.An adult, even in a teen body had an advantage over a young girl. I knew I was manipulating my sister into being my lover and breaking the incest barrier. I know she is fragile, know she wants incest, so I was trying to do it all in the right time. I whispered into her ear "you make my cock hard. I want you so bad, but I love you so much and I cannot hurt you, so we will take this slow."Kirsten's face exploded with a. "I rolled my eyes and flapped my arms. Where was I? Why was everyone suddenly ready to hop in bed with everyone else with no apparent consequences?Don filled me in on the rest of the party and on how Darlene came and got KC, and they all tried to get into my house to talk to me. After that, Don told me he had to carry KC to his house because she collapsed on our front lawn and got hysterical about having me lock her out in obvious anger and my comment about our engagement being.