just hating everything right now

i am a stay at home mom to a toddler and preteen I am currently pregnant again my husband works away for long periods of time and I am just idk I'm so depressed we got a dog recently thought it would help because I'm lonely it doesn't it's making things harder bc now when I'm not feeling good I not only have to take care of my toddler I have to take this dog out to pee ever hour or two or he will pee in the house I don't go anywhere I have to use his car and most the time I can't run it bc something is going on with it even if I could I don't really have anywhere to go besides his moms and she is usually not feeling good I have no friends or family near me I am so bored doing the same stupid shit every day getting up putting my preteen to school trying to force myself to eat I have hg and then I have to force my toddler to try to eat since he refuses to eat right now take a shower clean the house take care of the dog listen to the toddler scream almost all day bc he's teething and mises his dad I have tried to get to a break or help or even company but everyone always has an excuse idk I just don't know how to be better I don't know how to b happy anymore I'm so alone and so depressed I've tried to talk to my husband but he has to work so he doesn't really know what to tell me I guess I feel like I am being a terrible mom and I just can't do this anymore I'm ready to just pack my shit and run away I can't take this anymore I hate my life