“Thank you, Daddy,” she sighed.I wasn’t sure whether she was talking about the orgasm I’d given her, or that she was in my bed.But then ... it...didn’t really matter which it was.As had happened in the past, the escalation of our sexual behavior towards each other was permanent. Within a week, when she joined me on the couch, I got a kiss on the lips, after which hazel eyes stared into mine and pink lips whispered, “I’m ready for my orgasm, Daddy.”She favored lying down facing me, where her. A bit of a geek but she smiled and said she'd love to dance.As they walked to the dancefloor I thought to myself, "boy it's your lucky night!! They danced for a while and I could tell he was punching far above his weight but Donna was being very polite and was letting him touch her. After 15 minutes they came and sat down by me and again I was introduced as 'just a friend'. The geek politely bought us both a drink and they sat down and began kissing. He was all over her and I watched her push. .I have tried ..but with no luck."To my surprise Dad responded, "Well I can help you with your mother, but your sister is more difficult."Why that dirty old dog, I've seen him hanging out in front of my sister's doorway at bed time. That made it difficult for me to catch her naked. Sis has a killer body and is twenty-one, two years older than me."So how will.... can... you help?"Dad told me to be sure to be in my room, directly across the hall from theirs, early the next night. Sister, Vicky. I had an odd feeling in my stomach, and it wasn't the cake. I walked into the kitchen where mom was cleaning up a little.I sat down and sighed really big."What is it honey? Girl problems?" Is it that obvious Mom?" Maybe, I can help you honey?" she said sitting down."If I explain this to you, all you will do is slap me again," I responded."Really!" She smiled."Yeah, this is one of those moments," I said."You are a smart young man. I know whatever you do, will be for the best. Goodnight Cal, love.