[M]y girlfriend told me about her meeting another man

We’ve talked about scenarios where we slept with other people before but we weren’t sure if it was ever going to actually happen. I’m not a great story teller so bare with me. This is about what happened last week.

My girlfriend came late from work one day, I was slightly worried as she didn’t text me back. She seemed kinda.. different. I could tell something was off but she kept telling me everything was fine.

Fast forward to later in the night, we were in bed, I was laying down on my back and she turned to her side with one leg over mine and her hand reaching into my pants. As I got hard, I went to move ontop of her but she pushed me back down. She seemed kinda nervous but had a slight smirk in her face. I asked her what’s up and she started telling me about her day.

She started with small details like how she spent alot of time on her make up, picked out a tight skirt with stockings, matching bra & panties. She went to work as normal, but once she was done, she went over to a guy’s house. She told me she’s been texting this guy for a few days prior and today was the day she planned on meeting him.