I dont know what to do

My bsf [whos basically my gf] has some issues, she has autism, torettes and some other issues. Me and her have been arguing a bit [even befire we were together] as i kinda got upset about multiple things. I got upset when she left me for this shitty person who was really rude to me and i cant stand them, me and her spent less than 30 minutes playing the game together before she left me. I got upset about her lying to me and then treating me differently to others, like she would be more sympathetic towards one of our other friends than she would be to me. We have this young friend we play with and she left to go play with him and offered if i wanted to join so i said no as i didnt feel like playing roblox, and when she usually played roblox with me, we played doors like every time even if i asked if we could try this new game, but she played whatever he wanted bc he was younger. And when i showed her i was upset about this she had said "FINE WE CAN PLAY THE GAME YOU WANNA TRY OUT." That's not even the first time i got upset about that. It just makes me feel shit, especially after what she said to me yesterday. But i was with my friend logan [hes like my new bsf, hes very nice to me compared to other people] and he helped me resolve it with her, and im very grateful for him helping me <33