Straight Friend Turned Into A Bottom

I was hanging out with some friends out at the bar when we all started to get pretty rowdy and drinking a bunch. There was a group of about 12 of us and a mix of guys and girls, all of us knew each other but none of us date one another. As the day started to go on, I started to weigh my options on who might be interested in having some fun. I started by talking with Kim, who we always had a connection, yet never acted on it. As we started chatting and flirting, Joe walked up and started to make his jokes as we were. I was open to the idea, he was a cute average built dude that was an athlete in the past. He was a little bit taller than me, short cut hair and a untrimmed beard. We had been talking for a while when Kim had mentioned that she wanted to head out soon, both Joe and I had agreed that it was about that time. We gathered up two other friends and ordered a ride back.

We got back to my place and everyone was starting to get real sleepy. I have two extra bedrooms, so I offered