Improve one’s habits or behaviour:she told Vincent to clear out of the house if he couldn’t mend his ways...
The rest need to try that bit harder to keep their properties and the area around them in good order in the hope of shaming the scruffy minority into mending their ways.
Consumers in those countries can point to good repayment records after a default to show they have mended their ways.
He is humble, certainly, but has he mended his ways?