Boyfriend cheated

TL;DR I (25f) found out through my boyfriend's iMessages (31m) that he's been cheating on me for at least 8 months

Hi everyone!

So yesterday afternoon, I (25f) found out that my boyfriend (31m) has been cheating on me with another woman. We were together for a year and 4 months. Him and I live 2 and a half hours away and went to visit him for the weekend. And yesterday when he was taking a nap, he let me use his iPad to watch Netflix. I got a feeling that I should check his iMessages and found texts with another woman. I didn't read them all because I was in shock, but from what I got from the texts, he met this woman over the summer at an academic conference and that's when they started being romantically involved. I guess she lives in another state and he was flying over to be with her on weekends that he wasn't with me (he told me he was busy some weekends with schoolwork and I stupidly believed that). I took pictures of some of the texts with my phone, went outside to my car and called my older brother. I told him what I found and that I want to return home immediately. So after my brother calmed me down (I was hysterically crying), I went back into the apartment and found him to be awake now. I told him "So, I'm going to go" and I started messily packing my bags. He got up from bed and kept telling me to explain why I was leaving. I told him we would talk outside by my car once I had everything in my car. He helped me take my stuff to my car and once everything was in, I told him "You know, you're never going to find someone who can love you like I did. And that sucks for you." I got in my car and he tried to get in the passenger seat. I angrily yelled "Get the fuck out of my car" and he backed away from the car. I drove away. 2 minutes later, he was calling me. I answered and I told him "I read your iMessages. And I'm not going to apologize." Angrily he said "You looked through my messages?" And he hung up. I pulled over to the side of the road and blocked his phone number and his social media accounts. I drove the 2 and half hours home alternating between crying and being calm. Hardest drive I've ever had to do. My whole body was shaking. I got back to my parents house nice and safe. I watched a movie with my brother and then instead of sleeping immediately, I deleted all our relationship photos off my phone. I fell asleep at like 5 AM. Now it's a couple hours later, I've had some sleep, and I'm wondering what I should do now? I'm obviously sticking to no contact. Relationship is over and I never want to speak to him again. But what should I do for myself now? I feel so lost.