My girlfriend went out with the girls to celebrate her friends birthday. In the morning I had a talk with her and explained to her that I didn’t want her to get a DUI and that I would feel much safer if I drove them to the restaurant and picked them up later that night . She told me her friends dad would drive them so I didn’t worry much about. Before she went to her friends house I kindly reminded her to please be considerate and remember that her son had a game the following morning . She said not to worry and that she wasn’t going to stay out late . After dinner she called me and I heard her car in the background so I asked her if her friends dad drove them . To which she replied “ no” . I was bothered but didn’t say nothing . As the night went by I gave her a text telling her that I wasn’t going to fall asleep until I knew she made it home safe . She replied by telling me that she was going to spend the night at her friends cause she was “tired” . I didn’t explode on her but I explained to her that I was very hurt and disappointed that she lied about the driving and not getting home early like she said she was . She exploded on me telling me I was making a big deal over nothing and that I was selfish & that I ruined her night . She then said if it bothered me her sleeping at her friends that I should get an Uber to her friends so I can drive her home and I Uber back home. I told her I had work in the morning and that I wasn’t mad she was sleeping over and that I was upset that she told me she wouldn’t drive after drinking alcohol but drove anyway and that she decided to not even get home that night after she told me she would get home early. I get it when someone is having out having a fun time we often forget somethings how can you forget you’re a parent ? I personally told her that I felt like she chose her best friend over her son and I. Because she chose to hang out with her best friend instead of getting home early as she promised and spending time her son. She told me that I was being crazy, selfish and that all I cared about was myself and that she can’t even enjoy time with just the girls and that I ruined her night … AM I THE ASSHOLE ?