So Me (23F) and my friend (lets call her Gia, 22F) have been friends for half our bachelors career, we set our friendship after she was injured on her knee 3 years ago and i helped her get to the doctors office, since then we helped each other and became an academic power duo. We have talked about our situations and have tried to manage it as best as possible. She has told me the pressure she has from her mother to do best (i swear i have never seen that woman smile) and a bit of physical abuse from her own brother (in which i helped her many times to get over by talking to her or taking her to the doctor too).

Last year she began to be a little different, she became very anxious about where we should do our internships and began being very wary of those who knew where she was going. However, it turned into a point where even if she was at a random park in a picnic, she would start talking about our internships and shading people who wanted to do their internship where she wanted to do it. She had told me she wanted to go to Spain, if another girl expressed the same idea, Gia's mind would go crazy and began to do a lot of theories of people trying to sabotage her. As for me, i wanted to go back to my city, but she would begin trying to get info out of me to know where i'll be going and for her mind to be at ease. For that, i want to clarify i never wanted to go to spain, nor is in my plans to do so, and i have told her countless of times.

Last semester we had an argument, I left a meeting late and told them I would be late and that they could go get whatever they wanted for dinner, when I got there, they were leaving to get dinner and she started making fun of me and playing the victim, when we got back to our place she started complaining badly to me about how I snuck out to get dinner and I didn't tell my parents, and I replied "oh well let's see who takes you to the hospital because I didn't tell my parents there either", and from then on she didn't say anything to me. Afterwards, I talked to some friends to find out if something had happened because Gia left angry, to which we all agreed that nothing had happened... and one of them went and told Gia what we talked about and twisted the subject causing me to be a bad person. I talked it over with Gia and I want to think that it was fixed. It turned out Gia was having personal issues, which led her to lash out at me for not contributing to her cause... which she hadn't even told me or our friend group about before.

Today, as we're a month away from graduating and starting internship, Gia asks me if we can put our tables together. I have 17 people and she has 12, and the table limit is 10. She asked me if two of her friends could be at my table, so that way those friends would be with our friends at the same table. I told her no. Primarily that's because one of those friends of hers gets drunk to the point where she gets corny in front of anyone close, and the other will separate my group to be with her and make terrible conversation. My table will have people who traveled LONG DISTANCES to be comfortable and celebrate; I don't want them to get a bad impression first thing in another city. I told her it was a simple no, and she started lashing out at me, saying that I make her feel rejected and insecure, that I'm selfish for wanting to separate her friends, that btw Gia didn't want to BUY THEM a ticket to sit with her group for it was too expensive, and that provoking those emotions in her means I'm not a good friend. I replied that I didn't have to give her a reason, i was not separating anyone as it was a party and they have free will, that I love her very much and respect her a lot, that it was simply a no on this occasion, and that if she was the one who told me no, I wouldn't have any problem because at the end of the day the decision depends on the person who bought the tickets for her table and for her friends, that I had no complaints with her as a friend and fighting over two spots at a graduation wasn't the level to end our friendship. She hasn't responded, but it doesn't cause me anxiety. AITA?