Dogs are man's best friend - but their love and loyalty aren't limited to just humans. Some dogs form unbreakable bonds not just with their people, but also with their fellow canines. This story about a bond between a pit bull and a Chihuahua goes to show just how strong of a bond the connection between dogs can be. When this young pit bull was finally adopted from the shelter, she did something that no one expected or had ever seen before, and which left everyone surprised.