An Embarrasing confession

I'm a 38 yo single woman. I visit my sister at least twice a year. Last December I spent almost 3 weeks at her house for Christmas. She's 41, married, and has children.

One late night I went downstairs to get a drink. The kitchen is close to the master bedroom. As I was getting some water I thought I heard my sister crying, so I went and stepped outside her room. The door was closed, of course. It only took me seconds to figure out that she wasn't really crying. She was actually moaning while having sex.

I was going to leave but curiosity got the best of me. I stayed for about 20 minutes which was the time it took them to be done. I was very nervous all the time I stayed there listening. I had never done anything like that in my life. I felt like I was betraying them and I felt excited at the same time.

Unlike me, my sister is very religious and I think that was what made me want to stay and listen. Her moaning got loud at times and I couldn't stop visualizing. They were whispering things, but I couldn't really hear what they were saying exactly. I heard my brother-in-law use the words 'pussy', 'tits', and 'ass' a lot. My sister said things with 'cock', 'wet', and she said 'fuck me' several times.

I know she came at least twice and at the end she sucked him until he came. I know this because he kept telling her what to do and he said something about cumming on her face.

It was kind of disturbing to process all this in my mind afterwards. I had mixed feelings about the whole thing, but overall I thought the experience was a very erotic one.

I find myself thinking about this every now and then and every time I end up feeling sexually aroused. I never thought my sister could be like that in bed. :)

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Tags: Feelings, Home, Husband, Life, Sister, Want, Sexual