One night some years ago we went out for a big drinking session with a group of friends. The night started out pretty standard lots of alcohol, a lot of talking and a lot of dancing. I’m not one for dancing to be honest, I'm more of a bump and grinder when I get on the dance floor. My wife’s best friend is Susan. She has been around since we got together and my wife has always shared our sexual history with her. To the extent of showing her pictures of us fucking and even the sex tape we made. So, when we would drink the topic usually comes up. I know she get turned on by the details, and I was always happy to add more details to really tease the shit out of her. This night Susan hang around me more than normal and she was asking me lots of questions about oral. Apparently, her boyfriend wouldn't lick her out. Now, this is one of my favourite things to do, I could eat a pussy for hours. The smell and the taste turns me on so much. My wife had obviously shared that information with her. So, I spent the night telling her what I do and ways to get him to do it. Once the night wound down, we made our way home and Susan was staying the night. My wife and I were in the back of the taxi with Susan. My wife then asked what we were talking about all night and Sam filled her in. My wife did something I wasn't expecting. She offered Susan to watch me lick out my wife’s pussy. We got home and immediately my wife stripped down naked and jumped into bed. I followed suit. I took my position between her legs and got to work. Susan eventually came and sat on the bed next to me. I looked at her while licking my wife’s pussy and winked. I could tell she was turned on. I licked her pussy for a good 20 minutes and had her cum at least 3 times. My wife couldn't take it anymore and begged for my cock. I rolled her over and fucked her doggie style until we both came and tumbled exhausted in a heap. Susan left and headed for the spare room where she would be sleeping. My wife rolled over to go to sleep, but then she mumbled, “don't forget to finish Susan off”. I smiled gave her a kiss on the head went to find Susan. I gave it a few minutes before I opened the door. When I went in, I found her on top of the covers lying face down wearing only her panties. I walked towards the bed crawled up between her legs ran my hand up the inside of her leg, stopping just before her pussy. She let out a slight moan. I raised her arse in the air and pulled her panties to the side and slid my finger in her pussy. I rolled onto my back positioned my face to her pussy and pulled her down. She started grinding on my face as I licked her out. She came 3 times in the 15minutes I was down there. Then I got myself up and left her there breathing heavily as I made my way back my room. I know I could have fucked her but being totally surprised that my wife had me do this to her friend, I didn’t want to push things too far and fuck up totally.