Been there too. A few cents in the checking account at the end of the month was a win, and I've also intentionally overdrawn my account just to be able to eat. Buried in credit card debt and spending hundreds every month on interest alone. Car payment on a hot rod I couldn't afford and never should have bought to begin with. Tremendous stress. Never again.
NEVER. AGAIN.
Yeah I make more money now, but I'm living on less money than I made back then. The biggest difference is that now I manage my money to the penny. I tell my money what to do, instead of wondering where it went. Every cent has a goal before I ever receive it, and after all the responsibilities are handled, one of those goals is "blow it." Random craving for french fries and milkshakes yesterday? Came out of the "blow it" category. When you don't specifically tell your money where to go, it all winds up being "blow it" money, even if it should have been for mortgage or gas.
Never again.