So I recently went on a group trip with a group of some friends, and now after the trip, I have lost one of those friends. The trip required us to drive for about 12 hours together and one friend, who I will call Julie, did not take their ADHD medicine on this long drive. Our other friend, Tammy, and I are generally very introverted people so we spent a lot of time sleeping whereas Julie slept for a total of an hour throughout the entire drive. We had a lot of fun laughing and chatting, but eventually Julie got a little out of hand. She would be loudly singing while everyone else was trying to sleep. She has always made jokes that would tease at me specifically, but she took some of them way too far like pinpointing specific insecurities of mine and making them into jokes. She also got inappropriately touchy multiple times in a joking manor, but it made me quite uncomfortable.

With about three hours left to drive a pretty major complication arose with our vehicle. It greatly upset me, and I had a panic attack. Julie doesn't know about my anxiety struggles, but Tammy does so I turned to her for comfort. Julie noticed I was upset and tried to console me too, but in a--different manor. She tried to make me laugh which I appreciated, but it really wasn't what I needed. She tried to make me laugh by taking bad pictures of me and group pictures in which I was visibly crying. Quite frankly, that was the last straw. I held myself back from snapping at her, but I didn't put up with the things I was putting up with before. I stopped laughing at her crude or mean jokes. I tried to ignore most everything honestly because I just couldn't fake the smile anymore.

When we made it to our hotel (much later than anticipated), Julie would not go to sleep despite everyone else being immensely tired. She kept trying to joke and laugh which none of us could handle anymore. Tammy and I tried to get a break from her by going to the hotel lobby, but friend A insisted on coming along too. I went to the bathroom for a break and eventually Tammy joined me, but we were only alone for about 5 minutes before Julie called to say she lost her room key and was locked out of the room. We let her in and then headed back to the lobby. Tammy and I were walking down the hallway when suddenly someone ran up and grabbed both our asses. It was Julie and I almost lost it there. I have never been a strong physical touch person, and past experiences have made me extremely uncomfortable with people touching me in that way. Julie does not know about this so I understand that she didn't have an actual reason not to do something like that, but it made Tammy equally as uncomfortable.

This post is getting kind of long so I'll just summarize the rest of the trip. We did have a conversation with Julie about not taking her medicine, and she took it the rest of the trip, but some behaviors that I had never seen in her before still continued. When we were walking around Julie would pout and be upset every time we didn't do everything she wanted to do. She gave our room number unprompted to a random guy who she was hitting on with only two of the digits switched. (The digits switched were an accident). She wandered off without telling anyone multiple times one of which I had her phone so we had no way to contact her and find out where she was. She also threatened to post embarrassing pictures of Tammy and me because we didn't do something she wanted to do.

Now that the trip is over I distanced myself from Julie and she noticed. She sent me a long message asking what she did wrong and telling me how she'd change, and I honestly didn't know what to say. I took a few days to think before I responded, but I didn't want to try and play the blame game and pinpoint the things that she had done because I feared it would make the situation worse. I just told her she shouldn't change for me or anyone else and expressed my wishes to distance myself for now. Was this a wrong thing to end a friendship over, reddit?

Edited to add names.