What kind of bad habits will you put up with or not put up with?

Hole diggers? House chewers? Chain fighters? Dogs who run themselves down to nothing constantly?


Are these bad habits something that is hereditary for your dogs? or a learned behavior? or just a fluke?

I have a few with bad habits. Some were had habits that i despised enough to cull. Chain fighters left toothless before they ever saw maturity, a habit i didnt care to invest anymore time in. Possible to ruin dogs for years to come if left unchecked.