Just venting (ending the rrelationship)

Wow, I’m so glad 2020 is almost over! It’s been an emotional rollercoaster for me. I’ve had my first baby after years of trying to conceive, graduated, and passed my state board exam!You’d think with all of this I would’ve been the happiest woman on earth. I’m grateful but I’m also a wreck. I entered one of the most up and down relationships I’ve ever had in my life earlier this year. Got with child’s father and immediately became pregnant! We hit it off and made it official after flirting and having small talk for months. Well when I made it official I asked him was he seeing anyone exclusively, he told me no! So we proceeded... It was about 2 months in when I found out something different! Had a woman approach me via Facebook messenger asking if I had knew him and of course I already knew what this was about to turn into. She let me know that they were still seeing each other and had never broken up. Sent me screenshots with the date included on it when he was at her house on his work breaks and one night he spent the night at her house. The same night he stood me up after we had made plans earlier that day for me to spend the night. I was already pregnant by the time I found all of this out so I felt stuck. Contemplated on terminating the pregnancy and moving on with life. I’m thankful I didn’t do that now that my son is here! Anyway, I “forgave” him for what he did and he told me he was gonna make it right. So we continue being together..... He never made it right! He was constantly caught talking with the girl and several other women! And this is all during my pregnancy so I’m stressed, on top of not feeling good, on top of trying to make it through my last semester of school... It was hell! I felt like I couldn’t focus and didn’t know what my life had become..... Fast forward to our gender reveal! That day was very special to me and it turned into a sad day when i found out the next day that he had been going over another woman’s house and she was coming over his. I broke it off and we didn’t speak for some days. But then I let him back in again. His behavior continued. I’ve dealt with so many other women that it’s sad. Then it was time for my son to be born! He rushed up to the hospital and stayed with me the full 2 days. I thought we were finally getting somewhere and that maybe this would change him. Nope! 2 days after we brought our son home he was out every night. Found out through one of his friends Facebooks that he was out and there was a video of him being danced on and grinded on while on a party bus. Yep he’s doing all this while I’m at home stitched up, in pain, and trying to care for both of our first baby. Not only is he a habitual liar and cheater, he sucks at communicating, he is very closed off, and we just have no connection at all. I feel like I settled. His mom hates me, idk why! My family loves him he even has a good relationship with my mom. I decided I don’t want to walk into 2021 with this drama! It’s been a lot on me. I don’t think I’ve ever forgave him for putting me through all that he did while I was pregnant. That’s a different type of disrespect and pain. And he tells people he’s never disrespected me because he never called me out of my name. As if that’s the only form of disrespect! He makes people think I’m crazy because he turned me into someone I never was before I met him. I’ve been broken this year and I’m ready for healing! 😞 this is not half of the stuff I’ve been through with him but it would be 13 pages if I wrote everything!