Dumpee looking for support and advice

This is my first time posting on reddit so go easy on me. I (22M) recently got broken up with by my girlfriend (20F). I am just out of school and in the corporate world now and she is still in school with 2 years of college left (I am young for my grade while she is older for hers to explain the 2 year age gap but 3 year grade level gap). We met on Hinge back in November and things clicked really well. We have a lot in common and similar goals and values and we spent a good amount of time together having fun and getting to know each other. Fast forward to early February and we were having a discussion about the dating culture and why people send nudes (as neither of us have every sent any or thought about sending them). I mentioned that a girl that I had matched with in the past about 10 months prior sent me nudes after we had been talking for a bit without me asking for them (which is the truth. I have never been one to ask for nudes). I also had found out that this girl who sent me the nudes was good friends with my girlfriends friend from her hometown. I didn't think much of it and things were normal the rest of the week until she got home from a weekend trip for one of her orgs on campus and asked to come over. She was stand offish and asked if we could talk about something serious. I of course said yes and she asked me to tell her about this girl again. I told her what had happened about how I matched and we talked and she had sent me nudes and she then proceeded to tell me that she couldn't trust me and I lied to her and that she had called her friend who was with that girl at the time and she refuted my whole story apparently. We cried for a bit and she didn't want to leave and I didn't want her to leave and I tried to get her to change her mind but it was futile in the moment. She eventually left and I haven't seen her since. We've had minimal conversation via text about getting her something that I borrowed back and I ended up mailing it to her because I couldn't see her again if she had no intention of wanting to fix things. The first two weeks post break up were brutal and I went home to be with family for a bit as I can WFH and I was healing well at home and had a positive outlook on the future. I even planned a weekend trip with some friends which was a great time. However, being back in my regular location has made me feel like complete shit again and while my family and friends have told me that this is for the best as she clearly lacks maturity and wouldn't have done this to me over something so miniscule (our first real conflict) I still can't help but miss her. I know deep down that it is for the best but it hurts like hell and I am really struggling. Maybe I just miss the idea of her over anything. Anyways I have been contemplating trying to reconnect after a good month of no contact but I am not sure that is a good idea. Any support or advice is welcomed (Apologies for the lengthy post but wanted to provide adequate details).