How do I cope with my cheating husband?

I met my husband in 2017, during my ND program, he likes me and always give me that seductive look, but I refuse to look at him because I was a single mother of one then, he sent someone to me so I agreed to meet him, he visited me on my birthday and I told him I had a child which he accepted we made love to each other and relationship began, I go to his shop to know what he would be having for dinner he give me money and I will prepare it for him, sometimes he will come with his friends to my hostel, I got pregnant but he told me he wasn’t ready, so I had to do the needful, in 2018 I got pregnant again but this time I tried to get rid of it but it didn’t work, he didn’t show up for 4 months and finally she showed up again, however he has been cheating on me since I known him, but his friends begged me to stay with him that he’s womanizing because he had no serious relationship, so the went for my introduction without my presence,in 2019, my dad sent the list for the traditional wedding but all of a sudden he said my dad should hold on till I put to bed, 3years after delivery I asked him about my bride price he said there’s no provision for that, I called his people they didn’t respond, so in 2022 I got pregnant again then I told him that this time he must do something about my bride price, he called my dad and he told him to send list which my daddy insisted that he should do what he has in power, but my husband said my dad should send list which he did and we started the wedding preparation, but all of a sudden my husband stopped responding to the wedding, I’ve sold gele to people while my dad have sold material, However he stopped showing care, when my pregnancy was over due he sent me to my uncle’s place no businesses nothing he prefers me to ask him for anything including pads and when I do he complain I’m too demanding when I put to bed all the money I made on the naming ceremony he stylishly borrowed all as he doesn’t like me having any money of my own, however I gained admission for my HND program in 2021 there’s this girl that has always hated me for no reason but all of a sudden she started coming closer to me, not knowing that my husband has been dating since 2018, we had our court wedding in 2022, and it happened because my husband doesn’t want me to serve in another state, so in 2023 I saw their chats plus what I heard I confronted my husband but he denied we dragged the issue that my husband asked the girl to insult me which she did, he also told her to arrest me which she did and when I tried explaining what transpired between myself and the girl my husband also testified against me mind you the girl wasn’t there with us, they settled it, then this year I asked my husband where their relationship was going but he told me he’s not ending it anytime soon, my concern is he’s not taking care of the kids and I, he spends all his money on the girl, he changes her walldrobe while I don’t have any clothes, I’ve been trying to beg people for support just to start up a little business for myself, he doesn’t care what we feel like eating we eat what we see, he told the girl that she’s more important to him than his wife and kids, pls advice me comrades what should I do, because I just got discharged from the hospital they said I have heart problems due to shock and panic, I’ve also developed ulcer and my BP is high, I want to forget About them but the more I see my husband I always remember what he did to me, don’t talk about families both mine and his are supporting him because he’s the bread winner of the family, I need your advice