I started to pick up the tempo and became mesmerized by the tremors quivering through her huge breasts each time I ploughed into her. I continued to f...uck her as I grabbed her breasts, fondling them as they quivered and jiggled on her chest. After 20 minutes or so of my cock sliding in and out of Mary's pussy I was on the verge of cumming, my strokes had slowed again and it felt like just one more stroke would tip me over."Gonna cum!" I told Mary, although she was too busy moaning with pleasure. They had no clue about Christy, and I didn’t tell them. They were quite sure that, should other family members find out about our strange little practices, they’d be horrified, and the family would probably fragment.There is research out there about incest, which suggests that 80% of all women find the body odor of their sons, fathers and brothers to be distasteful. It is hypothesized that this is a natural development, to discourage incest. The finding is the same for the way men react to the. I kinda want to see what's gettin in to me."I did and we got through about the same time. I got between her legs and dropped my mouth down to her pussy. It smelled so good it made my dick throb extra hard, then I got a taste and I'll swear it tasted sweet."Like you said it's plenty wet, you don't need to do that unless you want to." She offered."Remember; I'm supposed to eat this piece." I explained.That was plenty of jokin around for me. Eatin pussy is pretty serious business to me and I got. When wewere in bed I started playing with her ass. I had kissed my way down and licked her shaved pussy butbut started licking and kissing her ass. Soon I had my tongue in her ass , she was moaning and pushedme away asking me why I was doing that? I told her after hearing her X had been fucking her ass and Ithought it was so sexy I just wanted to fuck it too . She wasnt too happy about that but said if I reallywanted to she would let me. Her ass was so tight I thought I was popping her cherry.