Brodi's owner, Kylie Judson, told Newsweek that she rescued the dog from a difficult past and has since been training him.

"The problem...Barb won't stop drinking water during hydrotherapy," the Maltese dog's owner, Christine Lu, said.

The first thing to do is to grab an item, like a blanket, that smells like the puppy, and allow the dogs to familiarize themselves to the scent. Then it's time for the first introduction, which is ...