I had went out with a couple friends to the bar to drink and play pool. I noticed a group of girls at the bar and one happneded to be my buddies fiance who I’ll call K. They looked like they were out for her bachelorette party. I went over and bought them all a shot. I then went back with my friends. They all ended up leaving and I was by myself. I noticed most of the girls had left except K and One of her friends. I went over and joined them and we had another drink. It was bar close time and they tried to call a taxi. It was going to be almost a 2 hour wait as everyone else was calling too. I asked if they wanted to wait at my place just like a block down the road. They agreed and we walked down to my place. Once there her friend got sick and ended up on my couch passed out. K and I had another drink and talked. K ended up laying down next to her friend on the couch and I went to bed. A short time later K came into my room and wondered if she could share my bed as her friend was snoring so loud. I was uneasy about it but agreed. I was just about to fall asleep when K got on top of me we started to make out. I knew it was wrong but she is a very attractive woman and I’ve always had a small crush. We ended up having sex twice that night once with protection and once without. In the morning K woke up her friend and they walked to their car at the bar. She is no married to my friend and I feel bad about that night but it was amazing sex.