Defaults are difficult, if not impossible to erase from your credit file, so nip them in the bud before they are listed. (finder.com)
If you didn't nip it in the bud quickly, it may have even turned into a full blown infestation. (microabode.com)
Whether you can stop it before it starts, or nip it in the bud as soon as you realize that it's happening, there are appropriate ways to handle talking to your child about being a bully. (romper.com)