When I was 20 years old I was going to college and still living at home with my mother. In was during the summer when one of her friends was going to be staying with us for 2 weeks. I had never met my mother's friend before and our first meeting was quite interesting. We picked her up from the airport and this woman had huge tits. It was difficult keeping my eyes off them and a lot of guys at the airport were staring at them too. She was wearing a form fitting dress which really showed them off along with the rest of her body. When we got home she was tired so we had a quick dinner and she went right to bed. In the morning my mother still had to go to work so when she left she asked for me to hang out with her friend until she got home. I woke up and was in just in shorts in the kitchen when her friend finally woke up and came in too. I got her a coffee and we began to talk. After some chit chat she came right out and asked if I liked her tits. I was not expecting this question and she then told me she saw me staring at them yesterday. I told her they were hard to miss. She then asked if I wanted to see them. I thought she was joking but when I didn't answer she just opened her robe and dropped it to the ground. She stood there in just a skimpy pair of panties and her huge tits in full view of me. All I said was "WOW". She then asked for me to show her now. I didn't quite know what she meant. She came over and began to pull my shorts down. Soon they were off me and I was naked with her staring at my cock. The next thing she begins doing is lightly stroking my cock. I began grabbing her tits and sucking her nipples. She then pulls her panties off and puts my cock in her. I never expected this especially with one of my mother's friends. When we were done it was almost like she acted like it never happened. The next morning after my mother went to work she came into my room and we did it again. Each day my mother went to work we did it after she left. I wasn't complaining and figured it best to not tell my mother what we had been doing. It was her last day when we dropped her off at the airport. My mother told her she hoped I had been a good host while she was at work. She told her I more than just a good host. They said their goodbyes and my mother told her to say hello to George who I found out was her husband. I didn't think she was married but she was and she was using me for sex. She came over, gave me a kiss and whispered in my ear that I was a really good fuck. She told me if we ever wanted to visit she would more than welcome us.
On the drive home my mother asked how she was to fuck. I asked her to repeat herself because I couldn't believe what I thought she just asked. She told me her friend told her that we fucked everyday after she went to work. I couldn't believe she told her but I guess she had. I told her I didn't know she was married. She told me her and her husband were having issues and she needed time away from him to sort things out. My mother said she knew I like women with big tits and thought there was a chance we might hook up. She then admitted that she even told her friend to show them to me and knew I would be putty in her hands. I guess she was right, and I am glad she did, but to now find out my mother helped in getting her friend laid makes me feel used. I guess I don't feel too bad because I did get laid and to be with a women with huge tits like hers was amazing.