Frustration is going to be the death of me.....

I know God will never give me more than I can handle, but right now it seems like everything is falling.  My worry over our finances is literally eating me alive.  I don't have money to pay bills.  I have to tell Koda no when he wants to do things because we are broke.  I'm not even going to class this week because I don't have money for gas.  Things would be a little bit easier if I actually got child support to help with daycare.  But I'm not counting on that to happen.  It seems like everyone is letting me down including me.  All B knows how to do is spend money.  I try to be as frugal as possible, but sometimes unforeseen costs come up, and that drains you of everything.  All this worry has my health going to the wayside.  I have rally eaten an actual meal in over a week.  I've lost 5 or 6 pounds in just a week because of the stress.  I can't deal with it anymore.  I have my etsy store, which brings me a few sales, but not really anything significant to pay for anything.  And even though he doesn't want me to I'm seriously thinking about getting a second job to help get us caught up and maybe dig our way out a little sooner.  The only thing I worry about is not being able to see the kids. I barely get to spend time with them now because I'm in school.  I'm just at my wit's end, and don't know what to do.