John Unger just wanted a friend to take a nice photo of him and his 19-year-old arthritic dog, Schoep, before it was too late. He got that photo -- and world validation, too. When Unger's friend, professional photographer Hannah Stonehouse Hudson, posted the unusual photo -- of Unger holding his sleeping dog in the waters of Lake Superior -- on her Facebook page it went viral. A week later, the photo had been shared 156,911 times, prompted 28,695 comments and received more than a quarter million "likes". Now, Unger shares how the photo -- and his dog -- have both been turning points in his life:
