When issues occur in my code, I do identify the root cause but then try to see if it may occur elsewhere in my code and how to prevent similar issues in the fut

When issues occur in my code, I do identify the root cause but then try to see if it may occur elsewhere in my code and how to prevent similar issues in the future. And I know lots of coworkers who do the same. I don't think this is a major engineering insight but common sense.