that sucks ... you know, people love to blame everyone but themselves when it comes to their dogs. you should tell the people to try to HELP the poor little dog and go to a behaviorist before they try to throw it back at you. No offense, but it's not like they were wise to buy a puppy from a pet store anyway... they obviously didn't care enough to meet the breeders, or the parents, so it's their own fault. The sad thing is that it's the dog who suffers for all of it. Hopefully the pup doesn't end up at the shelter or in an even crappier home

Actually, every dog I've met that was bought from a pet store had bad behavior/health problems. Most of the people I know realized that it was their responsibility and spent the time and money to help their dogs, though.