Veterinary clinic's final gift for dying dogs is heartbreaking. “No dog should go to heaven without tasting chocolate.” Only when there is no longer any chance of recovery for the dog patients at the veterinary clinic are they allowed to try Hershey's Kisses.

But chocolate is by no means a suitable treat for healthy dogs. Because the brown board can be poisonous for four-legged friends even in small quantities. Symptoms of chocolate poisoning can include vomiting, diarrhea and even seizures. However, the sweet snack is safe just before falling asleep, "especially if the chocolate hasn't been digested yet"