I began to fuck myself with the vibrator surprising myself as being able to take is all in. I grabbed my tit with the free hand and began to pull on m... nipple that was sore from all the sucking that had been done to it. Causing me to wince only seemed to make my cunt wetter. I could feel I was on the verge of cumming.“Stop” my Master ordered. I was about to ask him if I could cum. “Now open your mouth and receive your gifts for being so obedient slut!”I did as I was told and sucked the men off. ” We both laughed. "You should call her now and tell her.”Pat nodded and gave me a hug and a kiss on the cheek. She picked up the phone and started to dial so I left her room. Back in my room I sat there trying to wrap my mind around what I had learned.I thought about the XY thing and the hormones that made me a male. I thought how good it had made me feel to be supportive to my sister. I thought about her dating and making out. I thought about her pussy wondered if it was normal and. I got very excited by the sight and my cock set solid. I looked up and she just smiled at me and sat down to eat her lunch.OMG what happened next I could have died. "Theres no vinegar left, would you go and get a bottle from in the shop" she said. Nothing wrong with the request but I had the biggest, hardest cock Id ever had and she wanted me to stand up. I felt my face go bright red, "something wrong" she said with a smile. She knew exactly what was wrong with me and asked me again to go. .. anymore. Yes I've been with guys before, and for a longtime when I was younger I thought I might have been gay, but I'm not, Iknow that now. I am who I am and I've found comfort in that. I've beenwith women too and when I met you, well I knew I was on to a goodthing. You have to trust me, you have nothing to worry about, Ipromise." OK..." I wasn't completely convinced but I was tired and didn't wantto think about it any more tonight. I forced a smile and leaned backover to restart our.