Break ups hurt so much specially when you have kids

My 7yrs long boyfriend broke up with me this past Friday well he didn't say it straight to my face but it was very obvious he was trying to tell me to leave. ever since he got a new job last November ,he started to change on January drinking every day then he got his old job as a second job which he don't work on fridays at that job ,well on Friday before valentines he didn't come home he works with his brother in law and his in law brought his car back saying that he stayed over there drinking and that he was going to pick him up later then he tells me to go with them to pick him up after insisting i went and we couldn't find him well i'm sure he knew where he was bcus we ended up going to a street where there where alot of clubs and restaurants well he was at a club he said he was there with his managers and said whats so wrong about that , well he ended up spending $200 all that day on food drinks and pool games that on valentines he had no money at all , I don't care if he had no money to take me out or anything bcus we had gone through that other valentines but of course it bothered me bcus he had the money he just decided to spend it that night and didn't care about doing anything special that day, well this Friday again he stays drinking and I told him if this was going to be an every week thing that he should be with us his family since we hardly see him all week well he ended up telling me that he's tired of me that i trip for every little thing and that he's tired of me checking up on him like if he was a little kid which before it wouldn't even bother him he would tell me how much he got payed and what he wasted on but suddenly me asking him all that started to bother him, well he says he's tired of my attitude and that both him and I knew this was coming that our relationship is dead that he "loves me" but he just can't continue with this anymore, he says it's not another girl or anything that it's just him tired of our relationship, we broke up last year about the same time but when we had broken up he would text me and call me acting like we're still together telling me how much he loves me , he's not doing that this time I just really feel like he's over me and that is another girl bcus it was like 3weeks ago that i started to feel him more distance....It just really hurts and I didn't want my son to have to be going to his dad just on the weekends but i feel like this is a long term thing now 💔 
Also I'm still waiting on my period but I don't tell him that I don't want him to think that I'm telling him i might be pregnant just so he can stay by my side...
it's like I'm starting my life all over again but this time with my 1 1/2 boy only , I have only worked 1 week my whole life bcus he said I didn't have to work that he would take care of that I left with him when I was 15 yes it was wrong but literally all my life I've been with him, I feel like this is karma though I broke up with him before we had our boy he cried for me and all but I had gotten tired of his drinking everyday and his treatment,  I got with some other guy but then I broke up with that other guy and got together with him again he said things would be different and better they weren't except he did quit on the drinking but again little by little it became a problem again ...Srry this is so long but I really needed to take this out It feels horrible to be the one that they don't love anymore