I left my boyfriend of 3 years. need some advice?

Last night, I left my boyfriend of 3 years. We have an 11 month old together and im currently 32 weeks pregnant. I was living with him at his mom's (he lost his job so we had to give up our apartment and move in with his mom) im currently at my moms with my 11 month old. The reason I left was alot of reasons. in the beggining of our relationship (honestly like the first year and a half) he cheated on me multiple times, including when I was pregnant and i am still hurt by it all and can't trust him. Another thing is, he doesn't put me or the kids first, ever. He got income tax back (a little over 1k) and I asked him to buy a double stroller that was on sale (80 bucks) and he refused. Said he didn't have the money. But continued to blow all the money on fast food. I've been asking him all week to take me to the store to get WIC for our daughter and his excuse all week was "I don't feel like going anywhere. I don't feel good. ect" but literally an hour after me asking and him saying that, he went to play football with friends. I think getting our daughter what she needs should come before friends and I shouldn't have to beg him to go to the store (especially for our kid). I honestly don't know why I'm making this post. I guess I'm scared that since I'm still in love, I'll go back to him. especially when I eventually see him again. Any tips? or advice? I'm not really sad because our relationship has had alot of bumps along the road (like cheating) I guess I just feel weird. I mean, I was with him for 3 years and even though he hurt me, I still love him. just feels weird being single after 3 years. like, im 20 with two kods. who is gonna want me now? (and no im not worried about getting a man right now or anytime soon, just got alot on my mind and don't really know how to feel or what to think) any advice or kind words will help. thanks!