I've seen it that as a condition for the loan that the borrower goes to a credit counseling course so it does not happen again. If not, the situation as JJ mentioned will occur over and over again. And with no credit card debts, they look so much better on paper, and will easily get a few more. In many cases, it's more of a mind issue rather than anything else. (I had a friend that thought she could keep writing checks because there were some unused ones still in the checkbook.)
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Integrity. With it, nothing else matters. Without it, nothing else matters.