Feel like everything is going wrong

Seems like I was happy and shocked to find out I was pregnant again lately it seems that my bf and our daughter who is four Don't want to listen been trying to have patient with my daughter but all it seems like is no and trying to be mean and when I ask for help it doesn't happen I am starting to think that my feeling don't matter and that everything is put on me I am now to a point where I don't want to be around people or talk to anyone