Oslo's favorite thing in the world is chewing on tennis balls. For Christmas, we wrapped up a few dozen and put them under the tree. It only takes a few minutes before his sniffer goes into high gear and he sniffs out the tennis balls, rips open the paper and starts chewing. He'll chew the ball until it pops, usually about 20 minutes. This was taken about 10 days ago. Today, he doesn't have much energy. His appetite is disappearing. Not good.
