Add Yahoo as a preferred source to see more of our stories on Google. Olli, a dearly-loved pug, lies on the couch. He has been suffering from dementia for years, his owners say. Oliver Berg/dpa ...

Sometimes the little guy just stops and doesn't know where he is any more. At 15 years old, Olli the pug is very old, in need of help, often disoriented. He doesn't hear or see much and his hind legs ...