I would say am not bad with financial management as I need to be prudent for future uncertainties and only spend on necessities that I need...
Rather than strain your brain, you need to make sure that there is no debt, because they put pressure on us psychologically, because we have to work on the debt instead of enjoying life.
The thing is we are in charge of our future and we can decide on what to do to be successful with managing our money, the mere fact that some people are living in debt, that could be because they are living a life not base on the income they receive.
As the famous Robert Kiyosaki said, "live below your means".